Repo Compare › Open-source CAD
FreeCAD vs OpenSCAD vs SolveSpace
A side-by-side look at how actively FreeCAD, OpenSCAD and SolveSpace are developed on GitHub — popularity, contributor base, commit activity and how quickly issues and pull requests move.
What the numbers say
- FreeCAD is the most-starred of the 3, with 34k stars — about 8.1× SolveSpace's 4.2k.
- Over the 52 weeks to the snapshot, FreeCAD recorded the most commits (5.0k), against 90 for SolveSpace.
- FreeCAD has closed or merged the most pull requests in its lifetime: 19k.
- Relative to its popularity, SolveSpace carries the lightest open-issue load: 61.1 open issues per 1,000 stars, versus 101.5 for FreeCAD.
Head-to-head
Snapshot taken 30 September 2026.
| Metric | FreeCAD Slowing | OpenSCAD Active | SolveSpace Active |
|---|---|---|---|
| Stars | 34k | 10k | 4.2k |
| Forks | 6.1k | 1.8k | 599 |
| Contributors | 1.1k | 314 | 109 |
| Commits, last 52 weeks | 5.0k | 485 | 90 |
| Open issues | 3.4k | 695 | 255 |
| Open pull requests | 523 | 140 | 36 |
| Closed / merged PRs | 19k | 3.1k | 729 |
| Watchers | 560 | 271 | 106 |
| Last push | 30 Sep 2026 | 30 Sep 2026 | 28 Sep 2026 |
| Latest release | 1.1.4 (Sep 2026) | openscad-2021.01 (Feb 2021) | v3.2 (Mar 2026) |
| Main language | C++ | C++ | C++ |
| Licence | LGPL-2.1 | Not detected by GitHub | GPL-3.0 |
| Created | Sep 2012 | Nov 2010 | Mar 2015 |
The wide bar is that repository’s share of the largest value in its own row — half the length means half the number. The thin gauge beneath it is the same row rescaled from its smallest value to its largest, which makes a close gap such as 61k against 59k visible; on that gauge the row’s lowest value always sits at zero however big it is, so read it as a spread and never as a quantity. Bars compare repositories with each other and never one metric against another. Colour identifies the repository, matching the dot beside its name. On the two issue rows a longer bar means more open work, which is usually the opposite of better. The highlighted cell is the highest value in a row. “Active / Slowing / Dormant” is a simple heuristic from how recently code was pushed and open issues per star — a starting point, not a verdict. Stars measure popularity, not quality.
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