Terminal email clients by feature

• Terminal email clients with OpenPGP (15)
• Terminal email clients with built-in IMAP (12)
• Terminal email clients with POP3 (9)
• Terminal email clients with JMAP (4)
• Terminal email clients that read Maildir (16)
• Email clients for notmuch (5)
• Terminal email clients with OAuth2 sign-in (13)
• Terminal email clients you can use with a mouse (10)
• Terminal email clients with Vim-style keys (7)
• Terminal email clients with calendar support (8)
• Email clients for Emacs (4)
• Open-source terminal email clients (18)