ActiveWorkflow.org
turn complex requirements to workflows
AgileVentures
source code to agileventures.org
AirCasting
platform for gathering, visualization and sharing of environmental data
Airesis
eDemocracy
Annict.com
anime website
Barong
auth server
Bike Index
the internet's bike registry
Binda CMS
headless CMS
Caffeinate
a framework for easily creating and scheduling email campaigns
Calls For Proposal App
manage a conference CFP
Case File Editor
editor for digital case files
Central
Fulcrum project planning tool fork
Chatwoot
customer engagement platform
CircuitVerse.org
circuit simulator
Clain for Crown Court Defense
advocacy for defense payments
Classroom
automates repository creation and access control for teachers
Coinfi
crypto market intelligence platform
Covidlist
connect vaccinations with those who need to be vaccinated
Coyote
image annotation
Danbooru
taggable image board
Discourse
next-generation discussion platform
Drug Gene Interaction Database
The Genome Institute's drug gene interaction database
Ekylibre
farm management information system
Envizon
network visualization and pentest reporting
Errbit
open source, self-hosted error catcher
Fairmondo
free market place in the hand of the users
Fat Free CRM
a clean, customizable CRM
forem
the platform that powers dev.to
getsiteinspector.com
a tool for developers to check their pages
GitLab
self hosted Git management
Gwaphics
graphic design tool
Hackershare
social bookmarking and knowledge-sharing
Helpful
simple and elegant support system
Hitobito
full-scale group hierarchy management
Hours
Time registration that doesn't suck.
huginn
open-source IFTTT
Human Essentials
management system for essentials banks
icare
carpooling platform
if-me.org
mental health communication
Lale Help
collaborative platform for refugee support
Lewsnetter
email marketing application
libraries.io
open-source discovery service
LumenDatabase
database of legal complaints and requests for removals
Morph.io
web scraping tool
Motor Admin
if ActiveAdmin and Blazer had a baby
nokul
solution for universities to manage all the complex procedures of a university online
Notebook Gallery
enterprise Jupyter notebook sharing and collaboration platform
OneBody
church management software
Open Build Service
build service for Linux packages
OpenProject
project management system
openSNP
annotate your SNP-set
OpenSourceRails.org
the codebase to this site
Podify
make podcasts from youtube-dl
Pokr
agile estimating and planning
PublicLab.org
collaborative knowledge-exchange platform
Punchclock
simple electronic punch clock
Pupilfirst
everything you need for an online school
Reservations
equipment loans and reservations software
rubytoolbox.com
catalog of all Rubygems that keeps track of popularity and health metrics
samson
Web interface for deployments
SmartVPN Billing
billing management for hosting
Snippet Manager
manage your snippets
Spina
A beautiful CMS for Rails developers
Splits.io
speedrunning data and analysis
StockAid
manages inventory for the Grateful Garment Project
TagTeam
social tagging for academics
TalentProtocol.com
be your own NFT
Terrastories
geostorytelling
Texterify.com
translation and localization management
Trado
simple e-commerce platform for developers
Upcase.com
learning platform for programming
vglist.co
video game library tracking
whitehall
government content publishing for gov.uk
WikiEduDashboard
course dashboard system
zammad
enterprise-ready helpdesk and customer support system