Abalone
data tracking and analytics for conservation efforts
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
Barong
auth server
brief-ideas
journal for brief ideas
Canvas LMS
enterprise-grade learning management system
Central
Fulcrum project planning tool fork
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
Classroom
automates repository creation and access control for teachers
Coderwall
Professional network for software engineers
Convene
digital spaces
Coursemology
open-source gameified learning platform
Coyote
image annotation
Danbooru
taggable image board
Datoji
easy JSON mocking for developers
datorss.com
RSS search
Diaspora
community-run, distributed social-network
Discourse
next-generation discussion platform
Duckrails
tool to mock API endpoints
ebwiki.org
database of police abuse cases against people of color
Email Dashboard
email suite for marketing and CRM
Expertiza
peer-reviews app, supported by the National Science Foundation
Fae CMS
another CMS
Fairmondo
free market place in the hand of the users
FleetYards
A Ship Database and Web API based on the official Star Citizen Ship Matrix
forem
the platform that powers dev.to
GitLab
self hosted Git management
Hackathon Manager
hackathon registration and logistics
Helpy
A Modern Helpdesk Alternative
Hound
Your code, always in style.
Hours
Time registration that doesn't suck.
huginn
open-source IFTTT
Human Essentials
management system for essentials banks
if-me.org
mental health communication
iNaturalist.org
social network for nature stuff
Lewsnetter
email marketing application
Locomotive CMS
a multisite CMS with liquid templating
LumenDatabase
database of legal complaints and requests for removals
nindika.com
nintendo switch e-shop
OneBody
church management software
Open Build Service
build service for Linux packages
OpenFoodNetwork
software to manage the lifecycle of food
OpenProject
project management system
Open Source Billing
Beautifully Simple Billing Software
Open-Source Event Manager
event management tool tailored to conferences
Outpost
service directories platform
Pokr
agile estimating and planning
Punchclock
simple electronic punch clock
Recipy.fr
defunct website of a recipe site
Reservations
equipment loans and reservations software
rubytoolbox.com
catalog of all Rubygems that keeps track of popularity and health metrics
SmartVPN Billing
billing management for hosting
Snippet Manager
manage your snippets
StockAid
manages inventory for the Grateful Garment Project
sumofus.org
source code to sumofus.org
TagTeam
social tagging for academics
TalentProtocol.com
be your own NFT
Terrastories
geostorytelling
TheOdinProject.com
free web development courses
TimeOverflow
time banking system
tip4commit.com
reward contributors
Trado
simple e-commerce platform for developers
Upcase.com
learning platform for programming
vglist.co
video game library tracking
WikiEduDashboard
course dashboard system
zammad
enterprise-ready helpdesk and customer support system