AgileVentures
source code to agileventures.org
Annict.com
anime website
Astuto
customer feedback tool
Bike Index
the internet's bike registry
Black Candy
self-hosted music streaming server
Brainstormer.online
collaborative brainstorming
Chaskiq
full-featured live chat, support, and marketing platform
CircuitVerse.org
circuit simulator
Clain for Crown Court Defense
advocacy for defense payments
Danbooru
taggable image board
DCAF Case Management
case management system
E621.net
an art image board
FabManager
FabLab management tool
Fae CMS
another CMS
Fat Free CRM
a clean, customizable CRM
Fat Free CRM
the original Rails-based CRM
getsiteinspector.com
a tool for developers to check their pages
Hitobito
full-scale group hierarchy management
Homeland
homeland.ruby-china.org
icare
carpooling platform
Mastodon
distributed, interconnected microblogging
Mission of Mercy
management of free dental clinics
Open Split Time
endurance event data management
sharetribe
Marketplace platform
Skyderby
flight analysis and competition scoring
TalentProtocol.com
be your own NFT
Teambox
the original teambox.com
Terrastories
geostorytelling
TheOdinProject.com
free web development courses
Verboice
Toolkit for people who literally "need a voice"
World Cube Association
everything for the World Cube Association