- newsboat : C++/Rust
- RSS/Atom feed reader for text terminals
- rss2email : Python
- Converts RSS/Atom newsfeeds to email
- urlwatch : Python
- Watch changes in webpages or command output and get notified (via e-mail, in your terminal or through various third party services) of any changes
- Buku : Python
- Powerful bookmark management utility written in Python3 and SQLite3
- khal : Python : calendar
- Standards based CLI (console) calendar program
- khard : Python : contacts
- Console carddav client
- Vdirsyncer : Python : sync
- Synchronizes your calendars and addressbooks between two storages
- mbsync : C : sync
- IMAP and MailDir mailbox synchronizer
- Notmuch : C/C++ : index
- Thread-based email index, search, and tagging
- aerc : Go
- Email client for your terminal
- Alot : Python
- Terminal-based mail user agent based on the Notmuch mail indexer
- Mutt : C
- Small but powerful text-based mail client for Unix operating systems