The Shdr online tool for GLSL (ESSL) .

The Shdr is an online GLSL (ESSL) shader editor, viewer and validator.
This tool is written in CoffeeScript and WebGL.
The GLSL editor supports many advanced features like syntax highlighting, history, line count and highlighting, error display and bracket matching to name a few.
You can test this tool at shdr online tool.
Using the top menu you can use local storage, raw code download and sharing, switching between vertex and fragment shader editing, insertion of snippets, change the 3D objects.

Your PC’s performance with Razer Cortex.

If you have a Razor device then you can test this soft and get US $10 off to enjoy at RazerStore website.
Razer Cortex brings enhanced gaming performance, recording and streaming gameplay, and the ability to find the best gaming deals to a single screen with all your games just a click away.
This soft improves your PC’s performance by managing and killing processes and apps you don’t need while gaming.
Use this link to download.