Due.work - Simplify your work, to-do's and communications
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.
360Katas - Open source Slack app for self development.
Teamgantt - Intuitive project planning and collaboration. Beautiful Gantt charts, task-level communication, file sharing, resource management and more.
Kaapi - Build happy, high-performing remote teams
Basecamp - A simple and elegant project management system.