diff --git a/tools/__init__.py b/tools/__init__.py
index 1fa8431..019367e 100644
--- a/tools/__init__.py
+++ b/tools/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/build_api.py b/tools/build_api.py
index cfa15de..ed7fa0f 100755
--- a/tools/build_api.py
+++ b/tools/build_api.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/build_release.py b/tools/build_release.py
index 83e7d90..b01c7e1 100644
--- a/tools/build_release.py
+++ b/tools/build_release.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/detect_targets.py b/tools/detect_targets.py
index 0add06b..734d95d 100644
--- a/tools/detect_targets.py
+++ b/tools/detect_targets.py
@@ -2,6 +2,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/atmelstudio/__init__.py b/tools/export/atmelstudio/__init__.py
index c18f798..374dceb 100644
--- a/tools/export/atmelstudio/__init__.py
+++ b/tools/export/atmelstudio/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/cdt/__init__.py b/tools/export/cdt/__init__.py
index c057174..d9f83f9 100644
--- a/tools/export/cdt/__init__.py
+++ b/tools/export/cdt/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2016-2019 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/cmake/__init__.py b/tools/export/cmake/__init__.py
index 6721654..979f486 100644
--- a/tools/export/cmake/__init__.py
+++ b/tools/export/cmake/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/coide/__init__.py b/tools/export/coide/__init__.py
index 41a55f5..dbb2e53 100644
--- a/tools/export/coide/__init__.py
+++ b/tools/export/coide/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2014-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/e2studio/__init__.py b/tools/export/e2studio/__init__.py
index 3a37763..b8e9cf3 100644
--- a/tools/export/e2studio/__init__.py
+++ b/tools/export/e2studio/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/embitz/__init__.py b/tools/export/embitz/__init__.py
index 7588da6..a0d076e 100644
--- a/tools/export/embitz/__init__.py
+++ b/tools/export/embitz/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2014-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/kds/__init__.py b/tools/export/kds/__init__.py
index 80ee5c3..399f39a 100644
--- a/tools/export/kds/__init__.py
+++ b/tools/export/kds/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/makefile/__init__.py b/tools/export/makefile/__init__.py
index ec43a77..19cf24e 100644
--- a/tools/export/makefile/__init__.py
+++ b/tools/export/makefile/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2019 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/qtcreator/__init__.py b/tools/export/qtcreator/__init__.py
index 7ec9107..ef5e25a 100644
--- a/tools/export/qtcreator/__init__.py
+++ b/tools/export/qtcreator/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2014-2017 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/simplicity/__init__.py b/tools/export/simplicity/__init__.py
index d130ace..b81ceee 100644
--- a/tools/export/simplicity/__init__.py
+++ b/tools/export/simplicity/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2014-2016 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/export/zip/__init__.py b/tools/export/zip/__init__.py
index f2d9a19..bdf9fd3 100644
--- a/tools/export/zip/__init__.py
+++ b/tools/export/zip/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/__init__.py b/tools/host_tests/__init__.py
index a0ec4d5..491f131 100644
--- a/tools/host_tests/__init__.py
+++ b/tools/host_tests/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/default_auto.py b/tools/host_tests/default_auto.py
index cc233c5..13cc066 100644
--- a/tools/host_tests/default_auto.py
+++ b/tools/host_tests/default_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/detect_auto.py b/tools/host_tests/detect_auto.py
index c397f3b..3da1bb7 100644
--- a/tools/host_tests/detect_auto.py
+++ b/tools/host_tests/detect_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/dev_null_auto.py b/tools/host_tests/dev_null_auto.py
index c7e0238..c7aa340 100644
--- a/tools/host_tests/dev_null_auto.py
+++ b/tools/host_tests/dev_null_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/echo.py b/tools/host_tests/echo.py
index 1aa18b6..032c683 100644
--- a/tools/host_tests/echo.py
+++ b/tools/host_tests/echo.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/echo_flow_control.py b/tools/host_tests/echo_flow_control.py
index a3a5db5..f370d3b 100644
--- a/tools/host_tests/echo_flow_control.py
+++ b/tools/host_tests/echo_flow_control.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/BroadcastReceive.py b/tools/host_tests/example/BroadcastReceive.py
index 2e846ca..eafb7bc 100644
--- a/tools/host_tests/example/BroadcastReceive.py
+++ b/tools/host_tests/example/BroadcastReceive.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/BroadcastSend.py b/tools/host_tests/example/BroadcastSend.py
index 0a5f8c3..14b4532 100644
--- a/tools/host_tests/example/BroadcastSend.py
+++ b/tools/host_tests/example/BroadcastSend.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/MulticastReceive.py b/tools/host_tests/example/MulticastReceive.py
index 9001f40..9087d8d 100644
--- a/tools/host_tests/example/MulticastReceive.py
+++ b/tools/host_tests/example/MulticastReceive.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/MulticastSend.py b/tools/host_tests/example/MulticastSend.py
index 8efd453..b004783 100644
--- a/tools/host_tests/example/MulticastSend.py
+++ b/tools/host_tests/example/MulticastSend.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/TCPEchoClient.py b/tools/host_tests/example/TCPEchoClient.py
index dfa9bfd..b3c8322 100644
--- a/tools/host_tests/example/TCPEchoClient.py
+++ b/tools/host_tests/example/TCPEchoClient.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/TCPEchoServer.py b/tools/host_tests/example/TCPEchoServer.py
index 1324edb..8168c23 100644
--- a/tools/host_tests/example/TCPEchoServer.py
+++ b/tools/host_tests/example/TCPEchoServer.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/UDPEchoClient.py b/tools/host_tests/example/UDPEchoClient.py
index 6a6cf8c..e699f9c 100644
--- a/tools/host_tests/example/UDPEchoClient.py
+++ b/tools/host_tests/example/UDPEchoClient.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/UDPEchoServer.py b/tools/host_tests/example/UDPEchoServer.py
index 3850348..8bc297d 100644
--- a/tools/host_tests/example/UDPEchoServer.py
+++ b/tools/host_tests/example/UDPEchoServer.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/example/__init__.py b/tools/host_tests/example/__init__.py
index 10e7e1d..019367e 100644
--- a/tools/host_tests/example/__init__.py
+++ b/tools/host_tests/example/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -13,4 +14,4 @@
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
-"""
\ No newline at end of file
+"""
diff --git a/tools/host_tests/hello_auto.py b/tools/host_tests/hello_auto.py
index efc8b5a..046f1b8 100644
--- a/tools/host_tests/hello_auto.py
+++ b/tools/host_tests/hello_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_registry.py b/tools/host_tests/host_registry.py
index 72ebb16..0ad0420 100644
--- a/tools/host_tests/host_registry.py
+++ b/tools/host_tests/host_registry.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -33,4 +34,4 @@
 
     def is_host_test(self, ht_name):
         return ht_name in self.HOST_TESTS
-        
\ No newline at end of file
+        
diff --git a/tools/host_tests/host_test.py b/tools/host_tests/host_test.py
index 436cb2e..a487e9b 100644
--- a/tools/host_tests/host_test.py
+++ b/tools/host_tests/host_test.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/__init__.py b/tools/host_tests/host_tests_plugins/__init__.py
index aaea920..7ee7963 100644
--- a/tools/host_tests/host_tests_plugins/__init__.py
+++ b/tools/host_tests/host_tests_plugins/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/host_test_plugins.py b/tools/host_tests/host_tests_plugins/host_test_plugins.py
index b18b2c1..a27a9cd 100644
--- a/tools/host_tests/host_tests_plugins/host_test_plugins.py
+++ b/tools/host_tests/host_tests_plugins/host_test_plugins.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/host_test_registry.py b/tools/host_tests/host_tests_plugins/host_test_registry.py
index 75bce7a..0cc20f4 100644
--- a/tools/host_tests/host_tests_plugins/host_test_registry.py
+++ b/tools/host_tests/host_tests_plugins/host_test_registry.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_copy_firefox.py b/tools/host_tests/host_tests_plugins/module_copy_firefox.py
index 360835e..ba2e21d 100644
--- a/tools/host_tests/host_tests_plugins/module_copy_firefox.py
+++ b/tools/host_tests/host_tests_plugins/module_copy_firefox.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_copy_mbed.py b/tools/host_tests/host_tests_plugins/module_copy_mbed.py
index d32cbcd..3721a99 100644
--- a/tools/host_tests/host_tests_plugins/module_copy_mbed.py
+++ b/tools/host_tests/host_tests_plugins/module_copy_mbed.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_copy_mps2.py b/tools/host_tests/host_tests_plugins/module_copy_mps2.py
index 0cc4260..44cbef8 100644
--- a/tools/host_tests/host_tests_plugins/module_copy_mps2.py
+++ b/tools/host_tests/host_tests_plugins/module_copy_mps2.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_copy_shell.py b/tools/host_tests/host_tests_plugins/module_copy_shell.py
index 9e8cada..f18076a 100644
--- a/tools/host_tests/host_tests_plugins/module_copy_shell.py
+++ b/tools/host_tests/host_tests_plugins/module_copy_shell.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_copy_silabs.py b/tools/host_tests/host_tests_plugins/module_copy_silabs.py
index 4ad6e57..4a66821 100644
--- a/tools/host_tests/host_tests_plugins/module_copy_silabs.py
+++ b/tools/host_tests/host_tests_plugins/module_copy_silabs.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_copy_smart.py b/tools/host_tests/host_tests_plugins/module_copy_smart.py
index 486382b..76b71f1 100644
--- a/tools/host_tests/host_tests_plugins/module_copy_smart.py
+++ b/tools/host_tests/host_tests_plugins/module_copy_smart.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_reset_mbed.py b/tools/host_tests/host_tests_plugins/module_reset_mbed.py
index ddf6005..b70bca9 100644
--- a/tools/host_tests/host_tests_plugins/module_reset_mbed.py
+++ b/tools/host_tests/host_tests_plugins/module_reset_mbed.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_reset_mps2.py b/tools/host_tests/host_tests_plugins/module_reset_mps2.py
index afe2b59..7775d0c 100644
--- a/tools/host_tests/host_tests_plugins/module_reset_mps2.py
+++ b/tools/host_tests/host_tests_plugins/module_reset_mps2.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/host_tests_plugins/module_reset_silabs.py b/tools/host_tests/host_tests_plugins/module_reset_silabs.py
index 5b1c039..a242229 100644
--- a/tools/host_tests/host_tests_plugins/module_reset_silabs.py
+++ b/tools/host_tests/host_tests_plugins/module_reset_silabs.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/net_test.py b/tools/host_tests/net_test.py
index a44b29a..325b7ef 100644
--- a/tools/host_tests/net_test.py
+++ b/tools/host_tests/net_test.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/rpc.py b/tools/host_tests/rpc.py
index 3ff543f..baaf453 100644
--- a/tools/host_tests/rpc.py
+++ b/tools/host_tests/rpc.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/rtc_auto.py b/tools/host_tests/rtc_auto.py
index 6752803..3f9ded4 100644
--- a/tools/host_tests/rtc_auto.py
+++ b/tools/host_tests/rtc_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/serial_complete_auto.py b/tools/host_tests/serial_complete_auto.py
index baeac6d..9c6b329 100644
--- a/tools/host_tests/serial_complete_auto.py
+++ b/tools/host_tests/serial_complete_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/serial_nc_rx_auto.py b/tools/host_tests/serial_nc_rx_auto.py
index 83aa769..2976ea7 100644
--- a/tools/host_tests/serial_nc_rx_auto.py
+++ b/tools/host_tests/serial_nc_rx_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/serial_nc_tx_auto.py b/tools/host_tests/serial_nc_tx_auto.py
index 75490bf..29a9a6b 100644
--- a/tools/host_tests/serial_nc_tx_auto.py
+++ b/tools/host_tests/serial_nc_tx_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/stdio_auto.py b/tools/host_tests/stdio_auto.py
index b6a35b8..fd0560f 100644
--- a/tools/host_tests/stdio_auto.py
+++ b/tools/host_tests/stdio_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/tcpecho_client.py b/tools/host_tests/tcpecho_client.py
index 5f21679..dd94076 100644
--- a/tools/host_tests/tcpecho_client.py
+++ b/tools/host_tests/tcpecho_client.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/tcpecho_client_auto.py b/tools/host_tests/tcpecho_client_auto.py
index de83c9a..072970b 100644
--- a/tools/host_tests/tcpecho_client_auto.py
+++ b/tools/host_tests/tcpecho_client_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/tcpecho_server.py b/tools/host_tests/tcpecho_server.py
index a7bcb57..65516bf 100644
--- a/tools/host_tests/tcpecho_server.py
+++ b/tools/host_tests/tcpecho_server.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/tcpecho_server_auto.py b/tools/host_tests/tcpecho_server_auto.py
index b100f12..035e1cc 100644
--- a/tools/host_tests/tcpecho_server_auto.py
+++ b/tools/host_tests/tcpecho_server_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/tcpecho_server_loop.py b/tools/host_tests/tcpecho_server_loop.py
index 7317e30..a388b33 100644
--- a/tools/host_tests/tcpecho_server_loop.py
+++ b/tools/host_tests/tcpecho_server_loop.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/udp_link_layer_auto.py b/tools/host_tests/udp_link_layer_auto.py
index 635d59a..52b58cc 100644
--- a/tools/host_tests/udp_link_layer_auto.py
+++ b/tools/host_tests/udp_link_layer_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/udpecho_client.py b/tools/host_tests/udpecho_client.py
index c6c8214..6e4fa72 100644
--- a/tools/host_tests/udpecho_client.py
+++ b/tools/host_tests/udpecho_client.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/udpecho_client_auto.py b/tools/host_tests/udpecho_client_auto.py
index 046f143..3eeb37a 100644
--- a/tools/host_tests/udpecho_client_auto.py
+++ b/tools/host_tests/udpecho_client_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/udpecho_server.py b/tools/host_tests/udpecho_server.py
index 96c2db7..eb00de1 100644
--- a/tools/host_tests/udpecho_server.py
+++ b/tools/host_tests/udpecho_server.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/udpecho_server_auto.py b/tools/host_tests/udpecho_server_auto.py
index 07babd1..10bbc88 100644
--- a/tools/host_tests/udpecho_server_auto.py
+++ b/tools/host_tests/udpecho_server_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/wait_us_auto.py b/tools/host_tests/wait_us_auto.py
index 5773e23..c3f3794 100644
--- a/tools/host_tests/wait_us_auto.py
+++ b/tools/host_tests/wait_us_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/host_tests/wfi_auto.py b/tools/host_tests/wfi_auto.py
index 56a2d4a..7defd8c 100644
--- a/tools/host_tests/wfi_auto.py
+++ b/tools/host_tests/wfi_auto.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/libraries.py b/tools/libraries.py
index e5fd724..a84524c 100644
--- a/tools/libraries.py
+++ b/tools/libraries.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/options.py b/tools/options.py
index 9c8d84d..2f2434d 100644
--- a/tools/options.py
+++ b/tools/options.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/paths.py b/tools/paths.py
index 0425b13..1171521 100644
--- a/tools/paths.py
+++ b/tools/paths.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/run_icetea.py b/tools/run_icetea.py
index 0af90d7..589a97b 100644
--- a/tools/run_icetea.py
+++ b/tools/run_icetea.py
@@ -1,6 +1,8 @@
 #! /usr/bin/env python2
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/run_icetea/TEST_DIR/__init__.py b/tools/test/run_icetea/TEST_DIR/__init__.py
index ecb9379..b22f836 100644
--- a/tools/test/run_icetea/TEST_DIR/__init__.py
+++ b/tools/test/run_icetea/TEST_DIR/__init__.py
@@ -1,5 +1,7 @@
 """
 Copyright 2017 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -11,4 +13,4 @@
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
-"""
\ No newline at end of file
+"""
diff --git a/tools/test/run_icetea/TEST_DIR/test_pass.py b/tools/test/run_icetea/TEST_DIR/test_pass.py
index f834ea9..7b54ce1 100644
--- a/tools/test/run_icetea/TEST_DIR/test_pass.py
+++ b/tools/test/run_icetea/TEST_DIR/test_pass.py
@@ -1,5 +1,7 @@
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/run_icetea/TEST_DIR/test_print.py b/tools/test/run_icetea/TEST_DIR/test_print.py
index b5158b4..72e172c 100644
--- a/tools/test/run_icetea/TEST_DIR/test_print.py
+++ b/tools/test/run_icetea/TEST_DIR/test_print.py
@@ -1,5 +1,7 @@
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/run_icetea/TEST_DIR_HW/__init__.py b/tools/test/run_icetea/TEST_DIR_HW/__init__.py
index e69de29..b09b705 100644
--- a/tools/test/run_icetea/TEST_DIR_HW/__init__.py
+++ b/tools/test/run_icetea/TEST_DIR_HW/__init__.py
@@ -0,0 +1,16 @@
+"""
+Copyright (c) 2020 Arm Limited
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
diff --git a/tools/test/run_icetea/TEST_DIR_HW/test_K64F.py b/tools/test/run_icetea/TEST_DIR_HW/test_K64F.py
index f25ddf8..4ed6123 100644
--- a/tools/test/run_icetea/TEST_DIR_HW/test_K64F.py
+++ b/tools/test/run_icetea/TEST_DIR_HW/test_K64F.py
@@ -1,5 +1,7 @@
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/run_icetea/TEST_DIR_HW/test_predefined_platforms.py b/tools/test/run_icetea/TEST_DIR_HW/test_predefined_platforms.py
index 8e5145b..baacf1e 100644
--- a/tools/test/run_icetea/TEST_DIR_HW/test_predefined_platforms.py
+++ b/tools/test/run_icetea/TEST_DIR_HW/test_predefined_platforms.py
@@ -1,5 +1,7 @@
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/run_icetea/run_icetea_test.py b/tools/test/run_icetea/run_icetea_test.py
index 393a3d0..37303ea 100644
--- a/tools/test/run_icetea/run_icetea_test.py
+++ b/tools/test/run_icetea/run_icetea_test.py
@@ -1,5 +1,7 @@
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/run_icetea/run_icetea_unit_test.py b/tools/test/run_icetea/run_icetea_unit_test.py
index 7ff1fea..5d22ce6 100644
--- a/tools/test/run_icetea/run_icetea_unit_test.py
+++ b/tools/test/run_icetea/run_icetea_unit_test.py
@@ -1,5 +1,7 @@
 """
 Copyright 2018 ARM Limited
+SPDX-License-Identifier: Apache-2.0
+
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tools/test/toolchains/api_test.py b/tools/test/toolchains/api_test.py
index fb7a460..fde4a11 100644
--- a/tools/test/toolchains/api_test.py
+++ b/tools/test/toolchains/api_test.py
@@ -1,5 +1,5 @@
 """
-Copyright (c) 2017-2019 ARM Limited. All rights reserved.
+Copyright (c) 2017-2019 ARM Limited
 
 SPDX-License-Identifier: Apache-2.0
 
@@ -7,13 +7,13 @@
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 
-http://www.apache.org/licenses/LICENSE-2.0
+    http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
-limitations
+limitations under the License.
 """
 
 import sys
diff --git a/tools/tests.py b/tools/tests.py
index bbb3ac7..7ef426b 100644
--- a/tools/tests.py
+++ b/tools/tests.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/toolchains/__init__.py b/tools/toolchains/__init__.py
index b2a63db..7354c85 100755
--- a/tools/toolchains/__init__.py
+++ b/tools/toolchains/__init__.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/toolchains/arm.py b/tools/toolchains/arm.py
index 0afd815..c640a10 100644
--- a/tools/toolchains/arm.py
+++ b/tools/toolchains/arm.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2019 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/toolchains/gcc.py b/tools/toolchains/gcc.py
index a55de66..2eb4af6 100644
--- a/tools/toolchains/gcc.py
+++ b/tools/toolchains/gcc.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/toolchains/iar.py b/tools/toolchains/iar.py
index 4d597a7..6e192bf 100644
--- a/tools/toolchains/iar.py
+++ b/tools/toolchains/iar.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/toolchains/mbed_toolchain.py b/tools/toolchains/mbed_toolchain.py
index e8ec6ca..ea6353f 100755
--- a/tools/toolchains/mbed_toolchain.py
+++ b/tools/toolchains/mbed_toolchain.py
@@ -2,6 +2,7 @@
 mbed SDK
 SPDX-License-Identifier: Apache-2.0
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/tools/utils.py b/tools/utils.py
index 2c983b1..d2aae7f 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -1,6 +1,7 @@
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited
+SPDX-License-Identifier: Apache-2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.