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040000 tree 605fd60307e6375cea38560260b8e9f53115b313	esp32
040000 tree 866281add6b6570e310d9b5d9c8f45def861431c	linux-cirque
040000 tree b0209ecda83ae69172f20034a11153f25cb64a37	mbed
040000 tree ebb925d4202ab55ca99de25132c48090b1037b72	nrfconnect
040000 tree 4c3b86a13d80fd509df1723ed410c5e6b4c08365	openiotsdk
040000 tree 8107d074caefeb69169ff6206f2df6d1ce1458b8	tizen