DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.

Xmind - Xmind is a brainstorming and mind mapping application.

Brush Ninja - Hand-drawn Animated Gif Creator

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

pixiv - pixiv is an illustration community service where you can post and enjoy creative work. A large variety of work is uploaded, and user-organized contests are frequently held as well.

Coggle - Coggle is a simple, beautiful, powerful way of structuring information.