Transversal - Transversal offers cloud-based knowledge management solutions.

LiveAgent - LiveAgent is a fully-featured web-based live chat and help desk software. It harnesses the power of a universal inbox, real-time live chat, built-in call center, and a robust customer service portal. Start your free 1 month trial today!

Knowledge Plaza - Knowledge Plaza is a SaaS Platform dedicated to Social Knowledge Management.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community