Abalone
data tracking and analytics for conservation efforts
AirCasting
platform for gathering, visualization and sharing of environmental data
Airesis
eDemocracy
Alchemy CMS
popular content management engine
alonetone
home for musicians, their tracks and albums
Annict.com
anime website
AppPerf
application and performance monitoring tool
Astuto
customer feedback tool
Bike Index
the internet's bike registry
Black Candy
self-hosted music streaming server
Bluedoc
document management tool
Brainstormer.online
collaborative brainstorming
Calls For Proposal App
manage a conference CFP
Central
Fulcrum project planning tool fork
Chaskiq
full-featured live chat, support, and marketing platform
Chatwoot
customer engagement platform
Ciao
uptime monitoring
CircuitVerse.org
circuit simulator
CodeCuriosity.org
platform to reward OSS contributors
Coinfi
crypto market intelligence platform
Convene
digital spaces
Covidlist
connect vaccinations with those who need to be vaccinated
Coyote
image annotation
CQRS Demo Application
a Rails app using advanced DDD concepts
CrimeThinc.com
the app that powers this website
Danbooru
taggable image board
Datoji
easy JSON mocking for developers
DCAF Case Management
case management system
E621.net
an art image board
Ekylibre
farm management information system
exercism.io
code practice and mentorship
Feedbin
open-source feed reader for multiple platforms
FoodSoft
manage food coop
forem
the platform that powers dev.to
Gamocosm.com
Minecraft server hosting
Gem.sh
Beautiful documentation for any RubyGem
getsiteinspector.com
a tool for developers to check their pages
Ghostlight Folio
theatrical production management
Hackershare
social bookmarking and knowledge-sharing
Hitobito
full-scale group hierarchy management
Homeland
homeland.ruby-china.org
Hound
Your code, always in style.
Human Essentials
management system for essentials banks
HyperCable
analytics
icare
carpooling platform
LearnAwesome.org
social network of learners
Locomotive CMS
a multisite CMS with liquid templating
MarkUs
submission and grading for student assignments
Mastodon
distributed, interconnected microblogging
nindika.com
nintendo switch e-shop
nokul
solution for universities to manage all the complex procedures of a university online
Notebook.ai
structured writing tool
OneBody
church management software
Open Source Billing
Beautifully Simple Billing Software
OpenSourceRails.org
the codebase to this site
Open Split Time
endurance event data management
Outpost
service directories platform
Pig CI
Rails performance monitoring, plus CI
Podify
make podcasts from youtube-dl
PublicLab.org
collaborative knowledge-exchange platform
Punchclock
simple electronic punch clock
RailsDevs.com
the RailsDevs.com board
RebelsManager
a platform for social good
Recipy.fr
defunct website of a recipe site
Rescue
save cute cuddly puppies
Skyderby
flight analysis and competition scoring
Snippet Manager
manage your snippets
Solidus
e-commerce system
Splits.io
speedrunning data and analysis
sumofus.org
source code to sumofus.org
TaxonWorks
workbench for biodiversity informatics
Terrastories
geostorytelling
Texterify.com
translation and localization management
TheOdinProject.com
free web development courses
vglist.co
video game library tracking
Violet
automation, CMS, blog, forum and email thing.
visualizer.coffee
visualize hipster coffee machines
weg.li
report bad german parkers
Wreeto
note-taking, knowledge management, and wiki