Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.

Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.

hummingbot - Automate crypto trading with your own market making bot

phpBB - Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.

Period Tracker - Period Tracker, the easiest way to track your periods!

Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.