huginn
open-source IFTTT
GitLab
self hosted Git management
Diaspora
community-run, distributed social-network
Octobox
GitHub notification manager
Catarse
open-source crowdfunding platform
Classroom
automates repository creation and access control for teachers
libraries.io
open-source discovery service
ActiveWorkflow.org
turn complex requirements to workflows
getsiteinspector.com
a tool for developers to check their pages
va.gov
API for va.gov
FederalRegister.gov
daily journal for the United States Government
planningalerts.org.au
planning alerts for Australians
FleetYards
A Ship Database and Web API based on the official Star Citizen Ship Matrix