Pivotal Tracker - Pivotal Tracker: The awesome, lightweight, agile project management tool for software teams. Get your 30-day Free Trial started today!
openDesktop.org - The website openDesktop.
ZenHub - ZenHub is how the world's best software teams work together. Trusted by NASA, Docker, and Rackspace. Start free today!
SourceForge - The Complete Open-Source and Business Software Platform.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
OSOR - OSOR is the Open Source Observatory, a project to provide a framework for developing and executing autonomous observations.