diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..61a3d97
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "fsfw"]
+	path = fsfw
+	url = https://egit.irs.uni-stuttgart.de/fsfw/fsfw.git
+[submodule "fsfw-example-common"]
+	path = fsfw-example-common
+	url = https://egit.irs.uni-stuttgart.de/fsfw/fsfw-example-common.git
+[submodule "tmtc/tmtccmd"]
+	path = tmtc/tmtccmd
+	url = https://github.com/spacefisch/tmtccmd.git
diff --git a/fsfw b/fsfw
new file mode 160000
index 0000000..b00bfe4
--- /dev/null
+++ b/fsfw
@@ -0,0 +1 @@
+Subproject commit b00bfe4bdaa34cd8d608a39cec622803be65eee1
diff --git a/fsfw-example-common b/fsfw-example-common
new file mode 160000
index 0000000..e487913
--- /dev/null
+++ b/fsfw-example-common
@@ -0,0 +1 @@
+Subproject commit e4879130b09c76dac75265768fc757759e9aedcd
diff --git a/tmtc/tmtccmd b/tmtc/tmtccmd
new file mode 160000
index 0000000..c4ab098
--- /dev/null
+++ b/tmtc/tmtccmd
@@ -0,0 +1 @@
+Subproject commit c4ab0988f83a2754d5c18e1f3e939659c1156e30