Mastodon
distributed, interconnected microblogging
GitLab
self hosted Git management
forem
the platform that powers dev.to
Chatwoot
customer engagement platform
Diaspora
community-run, distributed social-network
OpenProject
project management system
Octobox
GitHub notification manager
Loomio
make decisions together
Catarse
open-source crowdfunding platform
GitLab CI
continuous integration server
if-me.org
mental health communication
libraries.io
open-source discovery service
Peatio
crypto currency exchange software
whitehall
government content publishing for gov.uk
Open Source Billing
Beautifully Simple Billing Software
HellRaiser
vulnerability scanner
Envizon
network visualization and pentest reporting
Morph.io
web scraping tool
Trailmix
A place to write.
AppPerf
application and performance monitoring tool
Orientation.io
Wage war against outdated documentation
datorss.com
RSS search
Workarea
enterprise-grade commerce platform
Plylst
Spotify playlist tool
WikiEduDashboard
course dashboard system
Lewsnetter
email marketing application
Central
Fulcrum project planning tool fork
SmartVPN Billing
billing management for hosting
Bike Index
the internet's bike registry
getsiteinspector.com
a tool for developers to check their pages
FabManager
FabLab management tool
Gamocosm.com
Minecraft server hosting
Helpful
simple and elegant support system
kitsu
kitsu.io API server
openSNP
annotate your SNP-set
va.gov
API for va.gov
Barong
auth server
Airesis
eDemocracy
FederalRegister.gov
daily journal for the United States Government
Texterify.com
translation and localization management
Fairmondo
free market place in the hand of the users
Twist
book review application
Do Continuous Integration Yourself
open-source CI server
EasyRaceLapTimer
open-source IR lap time tracker
Listed.to
online publications with automatic newsletters
Panoptes
API to support user-defined research projects
FeedBunch
simple and elegant reader
TagTeam
social tagging for academics
BareMetrics.com
v1 of baremtrics.com
Vinifera
tool to monitor leaked secrets
Coinfi
crypto market intelligence platform
AirCasting
platform for gathering, visualization and sharing of environmental data
Coyote
image annotation
AskThem
monitor and interact with local government
Xrono
asset and time-tracking
OpenSourceRails.org
the codebase to this site
Ecosystem Dashboard
open-source ecosystem monitoring