FINAL CUT - Library for creating terminal applications with text-based widgets
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
termbox - Termbox is a library that helps making terminal-based pseudo-GUIs.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Slang - Slang is a powerful visual programming language using a newly developed stream-based paradigm.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.