AgileVentures
source code to agileventures.org
AirCasting
platform for gathering, visualization and sharing of environmental data
AppPerf
application and performance monitoring tool
Bike Index
the internet's bike registry
Canvas LMS
enterprise-grade learning management system
Carto
location intelligence and data visualization
Central
Fulcrum project planning tool fork
Chaskiq
full-featured live chat, support, and marketing platform
Coinfi
crypto market intelligence platform
Discourse
next-generation discussion platform
Ekylibre
farm management information system
FabManager
FabLab management tool
forem
the platform that powers dev.to
Hitobito
full-scale group hierarchy management
iNaturalist.org
social network for nature stuff
MarkUs
submission and grading for student assignments
OpenFoodNetwork
software to manage the lifecycle of food
Open Source Billing
Beautifully Simple Billing Software
Orientation.io
Wage war against outdated documentation
Pig CI
Rails performance monitoring, plus CI
PublicLab.org
collaborative knowledge-exchange platform
Punchclock
simple electronic punch clock
Splits.io
speedrunning data and analysis
sumofus.org
source code to sumofus.org
Texterify.com
translation and localization management
Violet
automation, CMS, blog, forum and email thing.