diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2ca269a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "morituri/extern/python-musicbrainz-ngs"]
+	path = morituri/extern/python-musicbrainz-ngs
+	url = git://github.com/thomasvs/python-musicbrainz-ngs.git
+[submodule "morituri/extern/python-command"]
+	path = morituri/extern/python-command
+	url = git://github.com/thomasvs/python-command.git
+[submodule "morituri/extern/flog"]
+	path = morituri/extern/flog
+	url = git://github.com/Flumotion/flog
diff --git a/morituri/extern/flog b/morituri/extern/flog
new file mode 160000
index 0000000..a38ebac
--- /dev/null
+++ b/morituri/extern/flog
@@ -0,0 +1 @@
+Subproject commit a38ebac80eb21002a3b63e7e30c059ab028f943b
diff --git a/morituri/extern/log b/morituri/extern/log
new file mode 120000
index 0000000..bc6368c
--- /dev/null
+++ b/morituri/extern/log
@@ -0,0 +1 @@
+flog/log
\ No newline at end of file
diff --git a/morituri/extern/python-command b/morituri/extern/python-command
new file mode 160000
index 0000000..6bc2158
--- /dev/null
+++ b/morituri/extern/python-command
@@ -0,0 +1 @@
+Subproject commit 6bc2158a2865802f980118e25481b398d4f603e0
diff --git a/morituri/extern/python-musicbrainz-ngs b/morituri/extern/python-musicbrainz-ngs
new file mode 160000
index 0000000..bfcb832
--- /dev/null
+++ b/morituri/extern/python-musicbrainz-ngs
@@ -0,0 +1 @@
+Subproject commit bfcb832b05e22b04c35f720cab87a0f8a400c3d4