Chaskiq
full-featured live chat, support, and marketing platform
CircuitVerse.org
circuit simulator
CrimeThinc.com
the app that powers this website
Danbooru
taggable image board
Feedbin
open-source feed reader for multiple platforms
Mastodon
distributed, interconnected microblogging
OpenSourceRails.org
the codebase to this site
rubytoolbox.com
catalog of all Rubygems that keeps track of popularity and health metrics
weg.li
report bad german parkers