Lots of places. For example: * You want to generate preview images of WebGL content, such as in a gallery * You are using WebGL to accelerate some computatio

Lots of places. For example: * You want to generate preview images of WebGL content, such as in a gallery * You are using WebGL to accelerate some computation in nodejs with a library like https://github.com/waylonflinn/weblas https://github.com/waylonflinn/weblas * You want to test your WebGL code using continuous integration etc.