diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4ad01bd
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "external/glfw"]
+	path = external/glfw
+	url = https://github.com/glfw/glfw
+[submodule "external/glm"]
+	path = external/glm
+	url = https://github.com/g-truc/glm
+[submodule "external/freetype"]
+	path = external/freetype
+	url = https://gitlab.freedesktop.org/freetype/freetype
+[submodule "external/assimp"]
+	path = external/assimp
+	url = https://github.com/assimp/assimp