diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..a2760a75
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "jush"]
+	path = externals/jush
+	url = git://jush.git.sourceforge.net/gitroot/jush/jush
+[submodule "jsmin-php"]
+	path = externals/jsmin-php
+	url = git://github.com/rgrove/jsmin-php.git
diff --git a/externals/jsmin-php b/externals/jsmin-php
new file mode 160000
index 00000000..f89f32db
--- /dev/null
+++ b/externals/jsmin-php
@@ -0,0 +1 @@
+Subproject commit f89f32db50e943515c7361ebcfb6a2cacf7dc91a
diff --git a/externals/jush b/externals/jush
new file mode 160000
index 00000000..8f0a0e16
--- /dev/null
+++ b/externals/jush
@@ -0,0 +1 @@
+Subproject commit 8f0a0e16b1125455d674ee927759c953bba44e49