Some simple examples of WebGL shaders. They can be seen live at webgl-shaders.com.
Install Node.js (for Ubuntu):
sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
sudo apt-get install -y nodejs
Install grunt, glslify and budo globally:
sudo npm install -g grunt-cli
sudo npm install -g glslify
sudo npm install -g budo
Download the git repository and install the dependencies:
git clone https://github.com/jagracar/webgl-shader-examples.git
cd webgl-shader-examples
npm install
Build the project:
grunt
Run budo:
budo --dir WebContent/ --live
Then open http://localhost:9966/ to test the examples.