Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Oracle WebCenter Content - Oracle WebCenter Content is an open platform with pervasive services that content-enable business processes.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
GetGuru - Get started for free with Guru, the powerful company wiki that cuts through chat noise to serve you the info you actually need to do your job.
Slack - A messaging app for teams who see through the Earth!