Lurchr - Saves all your Slack links, so you can focus on work
Xmind - Xmind is a brainstorming and mind mapping application.
Slack News Feed - Get the top posts from every Slack chat you're in.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.