diff --git a/community/carburetor b/community/carburetor
new file mode 160000
index 0000000..fe073fc
--- /dev/null
+++ b/community/carburetor
@@ -0,0 +1 @@
+Subproject commit fe073fc05568d8bfc26e20abf3fb9f11f1fe496a
diff --git a/community/tractor b/community/tractor
new file mode 160000
index 0000000..742f028
--- /dev/null
+++ b/community/tractor
@@ -0,0 +1 @@
+Subproject commit 742f02851c4d937660dce9f0d261bdef2ba3b5b3