Freshdesk

Includes document creation and sharing, e-mail, instant messaging, audio/video calling, online meetings, ...

The de facto online diagramming tool which allows you to visually communicate, collaborate, and share ideas.

An open source web based collaboration platform which allows businesses to manage project tasks, billing, ...

Simple project management, real-time collaboration, CRM, Intranet - do it all in one place.

A time management SaaS used by major companies such as Pepsi, H&R Block and Panera.