ActiveWorkflow.org
turn complex requirements to workflows
AgileVentures
source code to agileventures.org
Autolab
course management and auto-grading of assignments
Barong
auth server
Chaskiq
full-featured live chat, support, and marketing platform
Chatwoot
customer engagement platform
CircuitVerse.org
circuit simulator
Coyote
image annotation
Cuttlefish
a good-enough SMTP server so you can ditch SMTP providers
Droptune
music notifications for Spotify and Apple Music
Feedbin
open-source feed reader for multiple platforms
getsiteinspector.com
a tool for developers to check their pages
GitLab
self hosted Git management
Hound
Your code, always in style.
Human Essentials
management system for essentials banks
Morph.io
web scraping tool
Octobox
GitHub notification manager
OpenFoodNetwork
software to manage the lifecycle of food
Open Split Time
endurance event data management
Peatio
crypto currency exchange software
Pig CI
Rails performance monitoring, plus CI
Postal
mail delivery platform for incoming and outgoing e-mail
Registry
TLD management software
sumofus.org
source code to sumofus.org
va.gov
API for va.gov