Synthclipse is described as 'GLSL shader prototyping tool. It makes possible to fast develop all kinds of shaders: Fragment (FS), Vertex (VS), Geometry (GS), Tessellation (TS) and Compute (CS)' and is an app in the Development category. There are more than 10 alternatives to Synthclipse for a variety of platforms, including Online / Web-based, Windows, Self-Hosted solutions, iPhone and Android Tablet. The best alternative is Shadertoy, which is free. Other great apps like Synthclipse are Shader Editor (Free, Open Source), SHADERed (Free, Open Source), Shade - Pro Shader Editor (Freemium) and Shdr (Free, Open Source).
Create and edit GLSL shaders on your Android phone or tablet and use them as live wallpaper. A live-coding editor with syntax-highlighting lets you see results transparently in the background as you code and provides ample workspace to focus on your ideas.
SHADERed is a lightweight tool for creating and testing HLSL and GLSL shaders. It is easy to use, open source and frequently updated with new features. FEATURES - Configurable, dock-based interface. - Geometry as well as vertex and pixel shader support.
Shade transforms your device into a professional node-based shader editor. Build stunning, connected shader graphs that render in real time. You'll find full support for keyboard shortcuts, drag-and-drop, and documentation built right in.
The Book of Shaders provides a gentle, step-by-step guide through the abstract and complex universe of Fragment Shaders. Besides scores of insightful illustrations, the site includes a very intuitive live-coding editor for users to easily see changes as they code.
ShaderLab is the WebGL2 GLSL Editor for the browser. Code your shaders right in your browser with a live view to progress in the background. Then share and garner feedback through comments and check out other creators.