diff --git a/modules/module-collab.el b/modules/module-collab.el
new file mode 100644
index 000000000..d14496acc
--- /dev/null
+++ b/modules/module-collab.el
@@ -0,0 +1,8 @@
+;;; module-collab.el
+
+(use-package impatient-mode
+  :defer t
+  :commands httpd-start)
+
+(provide 'module-collab)
+;;; module-collab.el ends here
diff --git a/modules/module-plantuml.el b/modules/module-plantuml.el
new file mode 100644
index 000000000..52ea6967c
--- /dev/null
+++ b/modules/module-plantuml.el
@@ -0,0 +1,9 @@
+;;; module-plantuml.el
+
+(use-package puml-mode
+  :mode "\\.p\\(lant\\)?uml$"
+  :init
+  (setq puml-plantuml-jar-path "/usr/local/Cellar/plantuml/8029/plantuml.8029.jar"))
+
+(provide 'module-plantuml)
+;;; module-plantuml.el ends here