Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback.
Podio is an online work platform. Combining hundreds of specialized and flexible work apps with messaging, tasks, reporting, workflow and contact management, Podio lets you build and shape the online workplace most fitting to your role.
ClockingIT is a free hosted application, keeping track of all your tasks and the time you spend on them. Extensive features Project Management, Collaboration and Time Tracking
...and its free!
Plan your projects, see your schedule, know if youre slipping behind and why.
Development stopped in 2008, but the program is still working and free.
This is online project management web application for personal or business usage. There is a dashboard, project and task lists, messaging system, advanced reports and many other useful features. You can collaborate with your co-workers easily.
5pm is a web based project management application with a smart customizable interface. Email integration, iCalendar and RSS feeds, Timeline view and Reports are just a few features to mention. Free trial (no credit card required) is available.
Yodiz is the leading Agile Scrum tool and issue tracker. With it's innovative UI, simple UX and great set of features, it's probably the best tool.
FogBugz manages projects, tracks bugs, and even tells you when you’re going to ship. It includes an issue tracker, advanced project management and scheduling, a wiki, and customer support features like email routing and discussion groups.
Winio is a simple collaboration tool for everyone, where thousands of individuals - from freelancers to huge teams - unleash their potential, find time to collaborate, make ideas come to life and celebrate achievements together.
Mavenlink gives your team a cloud-based solution for managing the entire project delivery lifecycle. Complete projects, track time, plan resources, and monitor financial performance — all in a single, user-friendly software.
Bloo solves the problems that growing businesses face by ensuring that all discussions are where they are supposed to be, so you have context. Having one place for everything means not opening five different apps, and having clarity of mind.