Open source alternatives to Substance Painter

One project on starwire does the same job. Ranked by how much of what Substance Painter does each one covers, read from its README and website. Ties go to the most active.

What Substance Painter does

Paint textures directly on 3D modelscore
Layer-based PBR materials and maskscore
Export texture maps for game engines and rendererscore
Smart materials and procedural generators
Baking mesh maps
Real-time viewport rendering
Material and brush library

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
subcraft3D texturing and painting app	Replaces it95%	413+31	1,707	today	93%	Install like an app	Apache-2.0
Covers all 3 core jobs. Partly: Real-time viewport rendering.See the evidence Paint textures directly on 3D modelscoreYesPaint directly on 3D models Layer-based PBR materials and maskscoreYeslayered PBR materials, masks Export texture maps for game engines and rendererscoreYespresets for Unreal, Unity HDRP / URP, Godot 4 Smart materials and procedural generatorsYes20 smart materials and 21 smart masks Baking mesh mapsYesbake mesh maps Real-time viewport renderingPartlyPaint in the 3D view Material and brush libraryYes20 smart materials and 21 smart masks

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