Terminal Email

Email clients for Emacs

Mail readers that run inside Emacs and use its buffers and keys. 4 clients on this site qualify.

4 clients
SystemsNameLanguage and license
Runs on Linux, macOS, Windows and BSD, on Android through Termux. GnusEmacsMail and news reader built into GNU Emacs, with back ends for IMAP, POP3, local mail folders and NNTP. Emacs Lisp
GPL 3.0 or later
Runs on Linux, macOS and BSD, on Windows through WSL, on Android through Termux. mu4eEmacsEmail client that runs inside GNU Emacs, built on the mu Maildir indexer and search tool. Emacs Lisp (mu4e), C++ (mu)
GPL 3.0 or later
Runs on Linux, macOS and BSD, on Windows through WSL, on Android through Termux. Notmuch Emacs interfaceEmacsEmacs front end for notmuch that reads, searches, tags and composes mail from a local Maildir. Emacs Lisp
GPL 3.0 or later
Runs on Linux, macOS and BSD, on Windows through WSL, on Android through Termux. WanderlustEmacsMail and news reader for Emacs, written in Emacs Lisp, with built-in IMAP, POP3, NNTP and SMTP support. Emacs Lisp
GPL 2.0 or later

Other lists: PGP, IMAP, POP3, JMAP, Maildir, notmuch, OAuth2, mouse support, Email clients with Vim keys, a calendar and Open-source terminal.