http://codeology.braintreepayments.com/featured
Unfortunately it is a paid service, but it is cool - so I thought I’d share it.
Codeology is an open-source project that re-imagines code by bringing it to life visually. The combination of coding languages in each GitHub project determines its look, therefore, each creation is original.
How it works
The application pulls data from GitHub’s public API and creates visuals using WebGL, Three.js, and GLSL Shaders. Shape and color represent an individual language, with size being proportionate to how many characters of code were written. In its current form, Codeology recognizes and uniquely renders the following languages: