AgileVentures
source code to agileventures.org
Annict.com
anime website
Bluedoc
document management tool
Brainstormer.online
collaborative brainstorming
Calls For Proposal App
manage a conference CFP
Chatwoot
customer engagement platform
CircuitVerse.org
circuit simulator
CodeTriage
directory of open-source projects with open issues
Coinfi
crypto market intelligence platform
consul
open government and participation software
DCAF Case Management
case management system
Diaspora
community-run, distributed social-network
Errbit
open source, self-hosted error catcher
exercism.io
code practice and mentorship
forem
the platform that powers dev.to
Hackathon Manager
hackathon registration and logistics
Helpy
A Modern Helpdesk Alternative
Hound
Your code, always in style.
Human Essentials
management system for essentials banks
icare
carpooling platform
if-me.org
mental health communication
iNaturalist.org
social network for nature stuff
LearnAwesome.org
social network of learners
Mastodon
distributed, interconnected microblogging
nindika.com
nintendo switch e-shop
Notebook Gallery
enterprise Jupyter notebook sharing and collaboration platform
Octobox
GitHub notification manager
OpenFoodNetwork
software to manage the lifecycle of food
Open-Source Event Manager
event management tool tailored to conferences
Open Split Time
endurance event data management
openstreetmap.org
crowd-sourced map of the world
Registry
TLD management software
rubygems.org
The Ruby community's gem hosting service
samson
Web interface for deployments
sharetribe
Marketplace platform
TheOdinProject.com
free web development courses
tip4commit.com
reward contributors
weg.li
report bad german parkers
WikiEduDashboard
course dashboard system
Wreeto
note-taking, knowledge management, and wiki
zammad
enterprise-ready helpdesk and customer support system