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040000 tree e64e0f1ce0b05726f927c1b5042ba5f25fa1c743	esp32
040000 tree f82dfa38417b532b51b55429536e051b62882d3d	linux-cirque
040000 tree 1a9202e73029111f224d8898eda78a726fceae6b	mbed
040000 tree 51874599ef903f459fc1c6a86526fc4f2df922ae	nrfconnect
040000 tree 6a0427b30a680f193e075a23d6232c6d8685b00b	openiotsdk
040000 tree 2d1bdaec97cba5c77bd9f0e1a42194d57298d7e4	tizen