ActiveWorkflow.org
turn complex requirements to workflows
AgileVentures
source code to agileventures.org
Bike Index
the internet's bike registry
Central
Fulcrum project planning tool fork
Clain for Crown Court Defense
advocacy for defense payments
Classroom
automates repository creation and access control for teachers
CodeCuriosity.org
platform to reward OSS contributors
CodeTriage
directory of open-source projects with open issues
Coyote
image annotation
Cuttlefish
a good-enough SMTP server so you can ditch SMTP providers
ebwiki.org
database of police abuse cases against people of color
Ekylibre
farm management information system
FederalRegister.gov
daily journal for the United States Government
forem
the platform that powers dev.to
fromthepage.com
crowdsource handwritten documents
Helpful
simple and elegant support system
huginn
open-source IFTTT
Lale Help
collaborative platform for refugee support
libraries.io
open-source discovery service
lobsters
link-aggregation site, inspired by Hacker News
LumenDatabase
database of legal complaints and requests for removals
Morph.io
web scraping tool
Open Build Service
build service for Linux packages
OpenFarm
open database for farming and gardening knowledge
OpenFoodNetwork
software to manage the lifecycle of food
openSNP
annotate your SNP-set
Open Split Time
endurance event data management
Organization for Transformative Works Archive
archives of fanworks, including fanfic, fanart, and fan vids
Pay
payments engine
Pig CI
Rails performance monitoring, plus CI
planningalerts.org.au
planning alerts for Australians
Punchclock
simple electronic punch clock
rubytoolbox.com
catalog of all Rubygems that keeps track of popularity and health metrics
SmartVPN Billing
billing management for hosting
sumofus.org
source code to sumofus.org
TagTeam
social tagging for academics
TaxonWorks
workbench for biodiversity informatics
TheOdinProject.com
free web development courses
tip4commit.com
reward contributors
va.gov
API for va.gov
WikiEduDashboard
course dashboard system
zammad
enterprise-ready helpdesk and customer support system