5pm is a Web-based project and task management software.

Avaza is a beautiful online software suite with modules for Project Management, Timesheets, Expenses & Invoicing. Access from anywhere, with any device.

Bitrix24 is a free (for small businesses) social enterprise platform.

Dapulse is a smart collaboration and communication app you can use to get your team members working in sync in one place.

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

Insightly is an online CRM providing cloud-based customer relationship management (CRM) and project management tools for small and medium size businesses.

Active Collab is a web-based project management tool.

Basecamp is a project management web app.

Clockingit is a project management, collaboration and time tracking tool.

Freedcamp is a web-based project management tool and organization system for single or multiple users collaborating using cloud computing.

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

LibrePlan is a free software web application for project management.