Material download sites
The websites on this page provide free textures. Some are completely 
royalty-free, whereas others have usage restrictions, such as no commercial use. Check for such restrictions before using them!
Free PBR Textures
These websites host free PBR textures. In order to utilize these textures in Source, some processing is needed.
- Poly Haven
- 3dartisty
- CG Bookcase
- AmbientCG (formerly cc0 Textures)
- ShareTextures
- 3DTextures
- Blender Cloud
Traditional Textures
These websites host mainly traditional textures, which can be utilized in Source without much processing.
Tiling
- Textures.com (formerly CG Textures)
- GoodTextures.com
- Spiral Graphics
- ModDB texture packs
- Gaming-Models (VTF)
- TopHATTWaffle's (VTF)
- OpenGameArt.org
- David Gurrea's
- Dave Johnston's (JPG) - collection of royalty-free GoldSrc-style textures. Cleaner BMP versions of a few of the contained textures can be found in csde_bridge.wad.
- Duion.com
- Makkon's Textures (TGA) - Tiling textures and trimsheets designed to be used at 1.0 scale with unfiltered textures. Demonstration of intended usage
- Simon O'Callaghan's textures and skyboxes (TGA) - Designed for Quake III, but easily adapted to Source
- Wikimedia Commons - large library of various images.
- Gamebanana (Recommendation: search textures in the Source Engine and Gamebanana sections)
