diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..67377d7
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,63 @@
+[submodule "coreMQTT"]
+	path = FreeRTOS/coreMQTT
+	branch = main
+	url = https://github.com/FreeRTOS/coreMQTT.git
+[submodule "coreHTTP"]
+	path = FreeRTOS/coreHTTP
+	branch = main
+	url = https://github.com/FreeRTOS/coreHTTP.git
+[submodule "coreJSON"]
+	path = FreeRTOS/coreJSON
+	branch = main
+	url = https://github.com/FreeRTOS/coreJSON.git
+[submodule "corePKCS11"]
+	path = FreeRTOS/corePKCS11
+	branch = main
+	url = https://github.com/FreeRTOS/corePKCS11.git
+[submodule "device-shadow-for-aws-iot-embedded-sdk"]
+	path = aws/device-shadow-for-aws-iot-embedded-sdk
+	branch = main
+	url = https://github.com/aws/device-shadow-for-aws-iot-embedded-sdk.git
+[submodule "jobs-for-aws-iot-embedded-sdk"]
+	path = aws/jobs-for-aws-iot-embedded-sdk
+	branch = main
+	url = https://github.com/aws/jobs-for-aws-iot-embedded-sdk.git
+[submodule "device-defender-for-aws-iot-embedded-sdk"]
+	path = aws/device-defender-for-aws-iot-embedded-sdk
+	branch = main
+	url = https://github.com/aws/device-defender-for-aws-iot-embedded-sdk.git
+[submodule "FreeRTOS-Plus-TCP"]
+	path = FreeRTOS/FreeRTOS-Plus-TCP
+	url = https://github.com/FreeRTOS/FreeRTOS-Plus-TCP
+[submodule "backoffAlgorithm"]
+	path = FreeRTOS/backoffAlgorithm
+	branch = main
+	url = https://github.com/FreeRTOS/backoffAlgorithm.git
+
+[submodule "FreeRTOS/coreMQTT"]
+	path = FreeRTOS/coreMQTT
+	url = https://github.com/FreeRTOS/coreMQTT.git
+[submodule "FreeRTOS/coreHTTP"]
+	path = FreeRTOS/coreHTTP
+	url = https://github.com/FreeRTOS/coreHTTP.git
+[submodule "FreeRTOS/coreJSON"]
+	path = FreeRTOS/coreJSON
+	url = https://github.com/FreeRTOS/coreJSON.git
+[submodule "FreeRTOS/corePKCS11"]
+	path = FreeRTOS/corePKCS11
+	url = https://github.com/FreeRTOS/corePKCS11.git
+[submodule "aws/device-shadow-for-aws-iot-embedded-sdk"]
+	path = aws/device-shadow-for-aws-iot-embedded-sdk
+	url = https://github.com/aws/device-shadow-for-aws-iot-embedded-sdk.git
+[submodule "aws/jobs-for-aws-iot-embedded-sdk"]
+	path = aws/jobs-for-aws-iot-embedded-sdk
+	url = https://github.com/aws/jobs-for-aws-iot-embedded-sdk.git
+[submodule "aws/device-defender-for-aws-iot-embedded-sdk"]
+	path = aws/device-defender-for-aws-iot-embedded-sdk
+	url = https://github.com/aws/device-defender-for-aws-iot-embedded-sdk.git
+[submodule "FreeRTOS/FreeRTOS-Plus-TCP"]
+	path = FreeRTOS/FreeRTOS-Plus-TCP
+	url = https://github.com/FreeRTOS/FreeRTOS-Plus-TCP
+[submodule "FreeRTOS/backoffAlgorithm"]
+	path = FreeRTOS/backoffAlgorithm
+	url = https://github.com/FreeRTOS/backoffAlgorithm.git
diff --git a/FreeRTOS/FreeRTOS-Plus-TCP b/FreeRTOS/FreeRTOS-Plus-TCP
new file mode 160000
index 0000000..d84c489
--- /dev/null
+++ b/FreeRTOS/FreeRTOS-Plus-TCP
@@ -0,0 +1 @@
+Subproject commit d84c4890b647e458e2c12443f2b89e8b0bb5f12b
diff --git a/FreeRTOS/backoffAlgorithm b/FreeRTOS/backoffAlgorithm
new file mode 160000
index 0000000..6127f3d
--- /dev/null
+++ b/FreeRTOS/backoffAlgorithm
@@ -0,0 +1 @@
+Subproject commit 6127f3da721a2036642c9ac404e9db2524d11c70
diff --git a/FreeRTOS/coreHTTP b/FreeRTOS/coreHTTP
new file mode 160000
index 0000000..3fb8868
--- /dev/null
+++ b/FreeRTOS/coreHTTP
@@ -0,0 +1 @@
+Subproject commit 3fb88680366012b189042f36b564d98ac72d764a
diff --git a/FreeRTOS/coreJSON b/FreeRTOS/coreJSON
new file mode 160000
index 0000000..97a906a
--- /dev/null
+++ b/FreeRTOS/coreJSON
@@ -0,0 +1 @@
+Subproject commit 97a906a2761b71434ffa9d838cd0500543b7dadc
diff --git a/FreeRTOS/coreMQTT b/FreeRTOS/coreMQTT
new file mode 160000
index 0000000..3ef8ac1
--- /dev/null
+++ b/FreeRTOS/coreMQTT
@@ -0,0 +1 @@
+Subproject commit 3ef8ac1f77622fae66271beaec3616521b80c7dc
diff --git a/FreeRTOS/corePKCS11 b/FreeRTOS/corePKCS11
new file mode 160000
index 0000000..982b836
--- /dev/null
+++ b/FreeRTOS/corePKCS11
@@ -0,0 +1 @@
+Subproject commit 982b836b5a0c283f0924b1416eb93db857c988fa
diff --git a/aws/device-defender-for-aws-iot-embedded-sdk b/aws/device-defender-for-aws-iot-embedded-sdk
new file mode 160000
index 0000000..e15db4c
--- /dev/null
+++ b/aws/device-defender-for-aws-iot-embedded-sdk
@@ -0,0 +1 @@
+Subproject commit e15db4c22cfdd534d1e0693cdbdf467c7b09e897
diff --git a/aws/device-shadow-for-aws-iot-embedded-sdk b/aws/device-shadow-for-aws-iot-embedded-sdk
new file mode 160000
index 0000000..47de8e3
--- /dev/null
+++ b/aws/device-shadow-for-aws-iot-embedded-sdk
@@ -0,0 +1 @@
+Subproject commit 47de8e368bdcfd20b6f2e601b37b56f5476221d7
diff --git a/aws/jobs-for-aws-iot-embedded-sdk b/aws/jobs-for-aws-iot-embedded-sdk
new file mode 160000
index 0000000..5844fb9
--- /dev/null
+++ b/aws/jobs-for-aws-iot-embedded-sdk
@@ -0,0 +1 @@
+Subproject commit 5844fb9a7c6bc3d12f0e4ef143d873d516cf4cce