Stylized Shaders is a Blender add-on from Dragoneex that applies procedural shaders to turn renders into stylized results. It supports a non-photorealistic (NPR) workflow and runs with both the Cycles and Eevee render engines.
The add-on lists compatibility with Blender 4.1 through 4.5 and is marked as compatible with Blender's extensions system. It is released under the GPL license, and documentation is provided to help you get started. A demo video is also available.
On superhive, where it sits within the broader library, Stylized Shaders has recorded more than 1,100 sales and holds a 5-star rating across 17 reviews, and it has been available for about three years. For current licensing, pricing and the latest compatibility details, visit the developer's page.