notmuch is described as 'Notmuch is a system for indexing, searching, reading, and tagging large collections of email messages' and is an app in the Online Services category. There are seven alternatives to notmuch for Linux, Mac, Windows, BSD and Xfce. The best alternative is Mutt, which is both free and Open Source. Other great apps like notmuch are aerc (Free, Open Source), Nmzmail (Free, Open Source), mu (Free, Open Source) and sup (Free, Open Source).
- 7 alternatives