Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Teamgantt - Intuitive project planning and collaboration. Beautiful Gantt charts, task-level communication, file sharing, resource management and more.
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
Basecamp - A simple and elegant project management system.
Zube - Project management for developers.