Mavenlink - Resource planning, time tracking, project financials, collaborative project management, and performance analytics all wrapped up in one intuitive solution.
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.
Vanillaplan - Intuitive construction software for resource and capacity planning
Redmine - Flexible project management web application
TargetProcess - Agile Project Management Web Application
Basecamp - A simple and elegant project management system.