Airesis
eDemocracy
AppPerf
application and performance monitoring tool
BareMetrics.com
v1 of baremtrics.com
brief-ideas
journal for brief ideas
Central
Fulcrum project planning tool fork
CodeTriage
directory of open-source projects with open issues
Coursemology
open-source gameified learning platform
Cuttlefish
a good-enough SMTP server so you can ditch SMTP providers
Do Continuous Integration Yourself
open-source CI server
EasyRaceLapTimer
open-source IR lap time tracker
Fairmondo
free market place in the hand of the users
GitLab CI
continuous integration server
GitReports.com
allow anonymous users to submit bugs to GitHub repos
Helpful
simple and elegant support system
Hound
Your code, always in style.
Huboard.com
better GitHub issues
Intercity
web-based Dokku deployment
kitsu
kitsu.io API server
Klaxon
get emailed when a website changes
Lewsnetter
email marketing application
Morph.io
web scraping tool
openSNP
annotate your SNP-set
SmartVPN Billing
billing management for hosting
TagTeam
social tagging for academics
Trado
simple e-commerce platform for developers
Trailmix
A place to write.
Upcase.com
learning platform for programming
Violet
automation, CMS, blog, forum and email thing.