AwesomeBump is an open source program designed to generate normal, height, specular or ambient occlusion textures from a single image. Since the image processing is done in 99% on GPU the program runs very fast and all the parameters can be changed in real time.
GeeXLab is a free standalone application for desktop operating systems. Just download it and use it. GeeXLab is available for Windows 32/64-bit, Linux 64-bit, Mac OS X and Raspberry Pi.
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.
KodeLife is a fast, lightweight, live-coding IDE for shader development. It's available natively across Mac, Windows and Linux desktops and supports all flavors of OpenGL GLSL, as well as platform specific shading languages such as the Metal Shading Language and DirectX HLSL.
The GSN COMPOSER is a free web-based visual programming environment for online multimedia processing. Typical areas of usage are education, research, entertainment, special effects, or arts.
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.
RenderMonkey™ Toolsuite | AMD Developer Central
RenderMonkey is an integrated development environment (IDE) that can be used to write shaders in HLSL, GLSL, and GLES.
Last version is from 2008.
Your online source for 3D tech news and graphics programming: graphics cards, 3D programming, game development, OpenGL, Direct3D, PhysX, OpenCL, Demoscene, GPU benchmarking.
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.
The Book of Shaders Features
Shaders - Shader editor is an app which let you view, create and share shaders with other users. Shaders are little graphics programs which run on the GPU.
Shaders - Shader editor Features
Synthclipse is a 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). Shader development can be done using compatible with Fragmentarium and Shadertoy (but limited to...