Xmind - Xmind is a brainstorming and mind mapping application.

Reetro.io - Reetro is a versatile retrospective tool for agile teams, collaborate with your team and get better in what you do with a simple, intuitive and beautiful tool

MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.

RemoteRetro - A tool for having agile retrospective meetings remotely! RemoteRetro makes retros easier and more effective, even when your colleagues are in different locations.

FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.

MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.