AgileVentures
source code to agileventures.org
Airesis
eDemocracy
Autolab
course management and auto-grading of assignments
Bluedoc
document management tool
Brainstormer.online
collaborative brainstorming
Brimir
an email helpdesk
Chatwoot
customer engagement platform
CircuitVerse.org
circuit simulator
Coinfi
crypto market intelligence platform
consul
open government and participation software
DCAF Case Management
case management system
Discourse
next-generation discussion platform
Errbit
open source, self-hosted error catcher
Expertiza
peer-reviews app, supported by the National Science Foundation
forem
the platform that powers dev.to
fromthepage.com
crowdsource handwritten documents
GitLab
self hosted Git management
Helpy
A Modern Helpdesk Alternative
huginn
open-source IFTTT
Human Essentials
management system for essentials banks
if-me.org
mental health communication
iNaturalist.org
social network for nature stuff
Notebook Gallery
enterprise Jupyter notebook sharing and collaboration platform
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
Panoptes
API to support user-defined research projects
Pokr
agile estimating and planning
PublicLab.org
collaborative knowledge-exchange platform
Pupilfirst
everything you need for an online school
Recipy.fr
defunct website of a recipe site
samson
Web interface for deployments
sharetribe
Marketplace platform
Splits.io
speedrunning data and analysis
sumofus.org
source code to sumofus.org
TheOdinProject.com
free web development courses
weg.li
report bad german parkers
Wreeto
note-taking, knowledge management, and wiki
zammad
enterprise-ready helpdesk and customer support system