What are some alternatives?
XMind - XMind is a brainstorming and mind mapping application.
Flickr - image and video hosting website
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
500px - Connect, get inspired, and grow your skills.