Console applications

Bookmark managers

Buku : Python
Powerful bookmark management utility written in Python3 and SQLite3

Calendars & Contacts

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


Alot : Python: client
Terminal-based mail user agent based on the Notmuch mail indexer
Mutt : C : client
Small but powerful text-based mail client for Unix operating systems
Notmuch : C/C++ : index
Thread-based email index, search, and tagging
OfflineIMAP : Python : sync
GPLv2 software to dispose your mailbox(es) as a local Maildir(s)

Feed readers

newsboat : C++
RSS/Atom feed reader for text terminals