Mentory - On demand career mentors to succeed at work.

Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.

Tribe of Mentors - Short life advice from the best in the world, by Tim Ferriss

Confluence - Confluence is content collaboration software that changes how modern teams work

MentSpot - Find a mentor or become one for free

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