Airesis
eDemocracy
Alaveteli
easy FOIA requests for any jurisdiction
alonetone
home for musicians, their tracks and albums
Annict.com
anime website
Bluedoc
document management tool
Calls For Proposal App
manage a conference CFP
Canvas LMS
enterprise-grade learning management system
Chaskiq
full-featured live chat, support, and marketing platform
Chatwoot
customer engagement platform
CircuitVerse.org
circuit simulator
Clain for Crown Court Defense
advocacy for defense payments
CodeTriage
directory of open-source projects with open issues
Convene
digital spaces
Coursemology
open-source gameified learning platform
Coyote
image annotation
CrimeThinc.com
the app that powers this website
Discourse
next-generation discussion platform
exercism.io
code practice and mentorship
FederalRegister.gov
daily journal for the United States Government
FeedBunch
simple and elegant reader
GitLab
self hosted Git management
Gwaphics
graphic design tool
Hackathon Manager
hackathon registration and logistics
Haven
self-hostable private blogging
Hitobito
full-scale group hierarchy management
huginn
open-source IFTTT
iNaturalist.org
social network for nature stuff
LearnAwesome.org
social network of learners
Loomio
make decisions together
Mastodon
distributed, interconnected microblogging
Motor Admin
if ActiveAdmin and Blazer had a baby
nokul
solution for universities to manage all the complex procedures of a university online
Notebook.ai
structured writing tool
OpenFarm
open database for farming and gardening knowledge
OpenFoodNetwork
software to manage the lifecycle of food
OpenProject
project management system
OpenSourceRails.org
the codebase to this site
Open Split Time
endurance event data management
openstreetmap.org
crowd-sourced map of the world
Organization for Transformative Works Archive
archives of fanworks, including fanfic, fanart, and fan vids
Pig CI
Rails performance monitoring, plus CI
pinballmap.com
source code to pinballmap.com
planningalerts.org.au
planning alerts for Australians
Pupilfirst
everything you need for an online school
Reservations
equipment loans and reservations software
rubygems.org
The Ruby community's gem hosting service
sharetribe
Marketplace platform
Skyderby
flight analysis and competition scoring
Splits.io
speedrunning data and analysis
sumofus.org
source code to sumofus.org
TalentProtocol.com
be your own NFT
Terrastories
geostorytelling
TimeOverflow
time banking system
Upcase.com
learning platform for programming
va.gov
API for va.gov
vglist.co
video game library tracking
visualizer.coffee
visualize hipster coffee machines
World Cube Association
everything for the World Cube Association