I make fractals in Blender using custom OSL scripts and I was quite happy with this render. There is still a lot of noise and volume sampling artefacts but it's already a
Open Shading Language in Cycles — Blender Developers Blog
How would I add bump mapping on an OSL shader? - Blender Stack Exchange
cycles render engine - What is wrong with this OSL shader? - Blender Stack Exchange
Open Shading Language — Blender Manual
Blender Sushi: OSL / Wooly Mummy OSL
Volume Rendering in Blender with OSL – SciViz.xyz
Voronoi distance to edge along surface normal - Cycles Development - Blender Developer Talk
Volume Rendering in Blender with OSL – SciViz.xyz
Blender OSL Bevel Shader - Lesterbanks
The VSF Database, a collection of OSL shaders - BlenderNation
What are OSL shaders? – Oded Maoz Erell's CG Log
Using OSL Shaders in Blender & Cycles – Oded Maoz Erell's CG Log
Small Blender Things: A Scales OSL shader for Blender
Simple OSL Ambient Occlusion Shader for Blender - Lesterbanks
Mandelbulb OSL-Shader — Blender.Today
scripting - Why does Blender invert/rotate the UV coordinates in OSL? - Blender Stack Exchange
Using OSL Shaders in Blender & Cycles – Oded Maoz Erell's CG Log
Bump node in Cycles, with an OSL script -- am I doing it wrong? - Blender Stack Exchange
Switch node for Blender
State of OSL Script node not retained when saving a Blender scene file · Issue #442 · appleseedhq/blenderseed · GitHub
Manipulating UV's in Blender, tiled textures & OSL script node use - Help - appleseed Users Forum
OSL Goodness - OSL Tests and Support - Blender Artists Community