* GnuPG (C)
* Emacs UI (emacs lisp)
* notmuch-emacs
- * mml-mode
+ * mml-mode, mm multimedia rendering library
* Alot / nmbug / nmbug-status (python)
* python-bindings
* webmail:
* shell injection
* terminal escape sequences
* S/MIME support
+ * signatures
+ * encryption
* reproducible builds:
[sphinx man pages](https://reproducible.debian.net/rb-pkg/testing/amd64/notmuch.html)