Alaveteli
easy FOIA requests for any jurisdiction
Annict.com
anime website
Bike Index
the internet's bike registry
Bluedoc
document management tool
Brimir
an email helpdesk
Central
Fulcrum project planning tool fork
CircuitVerse.org
circuit simulator
Classroom
automates repository creation and access control for teachers
Coinfi
crypto market intelligence platform
DCAF Case Management
case management system
Diaspora
community-run, distributed social-network
Fat Free CRM
a clean, customizable CRM
fromthepage.com
crowdsource handwritten documents
GitLab
self hosted Git management
Hackershare
social bookmarking and knowledge-sharing
Helpy
A Modern Helpdesk Alternative
Hitobito
full-scale group hierarchy management
if-me.org
mental health communication
iNaturalist.org
social network for nature stuff
Mastodon
distributed, interconnected microblogging
nindika.com
nintendo switch e-shop
OpenFoodNetwork
software to manage the lifecycle of food
OpenProject
project management system
Open-Source Event Manager
event management tool tailored to conferences
openstreetmap.org
crowd-sourced map of the world
Organization for Transformative Works Archive
archives of fanworks, including fanfic, fanart, and fan vids
PublicLab.org
collaborative knowledge-exchange platform
Punchclock
simple electronic punch clock
rubygems.org
The Ruby community's gem hosting service
sharetribe
Marketplace platform
SmartVPN Billing
billing management for hosting
sumofus.org
source code to sumofus.org
Terrastories
geostorytelling
TimeOverflow
time banking system
tip4commit.com
reward contributors
whitehall
government content publishing for gov.uk
World Cube Association
everything for the World Cube Association