diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..0c0c45228
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "clients/rtds"]
+	path = clients/rtds
+	url = git@github.com:RWTH-ACS/GTFPGA.git
+	branch = master
diff --git a/clients/rtds b/clients/rtds
new file mode 160000
index 000000000..ee704b84d
--- /dev/null
+++ b/clients/rtds
@@ -0,0 +1 @@
+Subproject commit ee704b84dc5952cd14fb6ac3669cb8cd4e9fe12d