+
+## Historical
+
+* ner, a curses frontend written in C++ ([github mirror](https://github.com/pioto/ner)).
+
+## Tools based on Notmuch
+
+* [patches](https://github.com/stefanha/patches), a patch tracking system.
+* [notmuch-extract-patch](https://github.com/aaptel/notmuch-extract-patch), a tool to extract patches from a thread.