Basecamp is a project management web app.

Hive.com is a productivity platform with powerful project management features.

Notezilla is a sticky notes app for Windows.

Trello is a web based project management solution.

Zenkit is a platform for collaboration and project management.

GQueues is a full-featured online task manager perfect for Google-powered individuals and businesses.

Microsoft Visio (formerly Microsoft Office Visio) is a diagramming and vector graphics application and is part of the Microsoft Office family.

Restyaboard is an open source Trello like board platform.

Wrike is an online project management software that gives you full visibility and control over tasks.