Free Development
Three.js
A JavaScript 3D library that makes WebGL accessible. Used for everything from simple interactive backgrounds to full 3D scenes in the browser.
Development 3D WebGL Animation
I used Three.js to build a simple interactive personal website and played around with it there. More recently I have started using it to add motion effects and visual flourishes on sites like motive11.com. I expect to lean on it more as I keep pushing what I can do with web UI.