Beyond Compare - Beyond Compare allows you to compare files and folders.
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.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Teamgantt - Intuitive project planning and collaboration. Beautiful Gantt charts, task-level communication, file sharing, resource management and more.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
Basecamp - A simple and elegant project management system.