Compare the best free and open-source alternatives to SketchUp — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.
Curated by open-source.store · Updated November 2026 · 4 alternatives
| Tool | License | Platforms | Self-hosted | |||
|---|---|---|---|---|---|---|
| 35,063 | LGPL-2.1 | LinuxmacOSWindows | No | Nov 2026 | Visit | |
| 10,577 | GPL-2.0 | LinuxmacOSWindows | No | Nov 2026 | Visit | |
| 4,229 | GPL-3.0 | LinuxmacOSWindows | No | Oct 2026 | Visit | |
| 0 | GPL-3.0 | LinuxmacOSWindows | No | — | Visit |
SolveSpace is a lightweight parametric 2D/3D CAD alternative to SolidWorks that provides constraint-based modeling and direct 3D printing exports.
vs SketchUp: a free, open-source option you fully control, licensed GPL-3.0.