diff --git a/.gitmodules b/.gitmodules
index 577f6ec..05ceeff 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,9 @@
 [submodule "testing/externals/Pickler"]
 	path = testing/externals/Pickler
 	url = http://www.gitea.preacherdhm.com/PreacherDHM/Pickler.git
+[submodule "external/Tart"]
+	path = external/Tart
+	url = ssh://git@www.gitea.preacherdhm.com:222/PreacherDHM/Tart.git
+[submodule "externals/Tart"]
+	path = externals/Tart
+	url = ssh://git@www.gitea.preacherdhm.com:222/PreacherDHM/Tart.git
diff --git a/externals/Tart b/externals/Tart
new file mode 160000
index 0000000..737458f
--- /dev/null
+++ b/externals/Tart
@@ -0,0 +1 @@
+Subproject commit 737458f8023e357c42f626c89a0028e50c0943b6