diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1c7e8b5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "codeocean"]
+	path = codeocean
+	url = https://htwkmooc@gitlab.dit.htwk-leipzig.de/htwkmooc/codeocean.git
+[submodule "poseidon"]
+	path = poseidon
+	url = https://htwkmooc@gitlab.dit.htwk-leipzig.de/htwkmooc/poseidon.git
diff --git a/codeocean b/codeocean
new file mode 160000
index 0000000..eead6e8
--- /dev/null
+++ b/codeocean
@@ -0,0 +1 @@
+Subproject commit eead6e891454897d5a4cb92b6ae2140185452b96
diff --git a/poseidon b/poseidon
new file mode 160000
index 0000000..1dace08
--- /dev/null
+++ b/poseidon
@@ -0,0 +1 @@
+Subproject commit 1dace08128365524df68947bd99b28b1db219ada