- 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.
- Freemium • Proprietary
- 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.
- Free • Proprietary
- Docutils is an open-source text processing system for processing plaintext documentation into useful formats, such as HTML, LaTeX, man-pages, open-document or XML. It includes reStructuredText, the easy to read, easy to use, what-you-see-is-what-you-get plaintext markup language.
- Free • Open Source
- E is a new text editor for Windows, with powerful editing features and quite a few unique abilities. It makes manipulating text fast and easy, and lets you focus on your writing by automating all the manual work.
- Paid • Proprietary
This appears to be abandonware. The website disappeared months ago, and shows no signs of returning. There's no support available online, as far as I can tell.