Lepton - Lepton image compression: saving 22% losslessly from images at 15MB/s
Xmind - Xmind is a brainstorming and mind mapping application.
3Cols - Manage your code snippets in the cloud fast, easy and free for personal use forever.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Boostnote - Boostnote is an open-source note-taking app.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.