+* [neomutt](https://www.neomutt.org/feature/notmuch), a fork of [mutt](http://www.mutt.org/) able to use Notmuch for virtual folders.
+* [noservice](https://gitlab.com/noservice/noservice). Web interface, written in Clojure.
+* [notmuchfs](https://github.com/tsto/notmuchfs), a virtual maildir file system for Notmuch queries.
+
+## Historical
+
+* ner, a curses frontend written in C++ ([github mirror](https://github.com/pioto/ner)).
+* [mutt-kz](https://github.com/karelzak/mutt-kz), a fork of [mutt](http://www.mutt.org/) with Notmuch as a backend (actually linked against lib notmuch). Deprecated in favour of neomutt.