diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8eacc61
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "modules/node-hash"]
+	path = modules/node-hash
+	url = git://github.com/Marak/node_hash.git
+[submodule "modules/node-ldapsearch"]
+	path = modules/node-ldapsearch
+	url = git://github.com/xSmurf/node-ldapsearch.git
+[submodule "modules/ltx"]
+	path = modules/ltx
+	url = git://github.com/astro/ltx.git
diff --git a/modules/ltx b/modules/ltx
new file mode 160000
index 0000000..8ae9b75
--- /dev/null
+++ b/modules/ltx
@@ -0,0 +1 @@
+Subproject commit 8ae9b752a6ab24a2615379af1e7f6e4370f93c3a
diff --git a/modules/node-hash b/modules/node-hash
new file mode 160000
index 0000000..d8c613f
--- /dev/null
+++ b/modules/node-hash
@@ -0,0 +1 @@
+Subproject commit d8c613ff81d5bee8c6cb1eb9747f9226ff319554
diff --git a/modules/node-ldapsearch b/modules/node-ldapsearch
new file mode 160000
index 0000000..07c6f0e
--- /dev/null
+++ b/modules/node-ldapsearch
@@ -0,0 +1 @@
+Subproject commit 07c6f0ef3796f9ff778d7b019d748f7265daa358