MeetMe - Location-based social networking app for meeting singles.

FINAL CUT - Library for creating terminal applications with text-based widgets

Zoosk - If you find that it's hard to meet new people, especially if you're looking for someone to date, then Zoosk is an app that you want to try. You can create a profile with pictures and a little information about yourself that others will read.

termbox - Termbox is a library that helps making terminal-based pseudo-GUIs.

LOVOO - LOVOO is a mobile app that was designed specifically to help single people find matches. It was first launched in 2012, and it has attracted a wide base of users in that time. Read more about LOVOO.

Slang - Slang is a powerful visual programming language using a newly developed stream-based paradigm.