BRL-CAD/brlcad
BRL-CAD is a powerful cross-platform open source combinatorial solid modeling system observed · 2026-09-03
Health v2 · maintenance only
87/100
- Activity 100
- Release rhythm 62
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 250
- age_days: 1994
- days_rel: 40
- days_push: 0
- n_releases_24m: 4
Adoption not part of the score
1021 stars · 231 forks observed · 2026-09-03
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
BRL-CAD is a cross-platform open source combinatorial solid modeling system with an interactive 3D geometry editor, a high-performance network-distributed ray-tracer, and geometric analysis libraries. It has been actively developed since 1979 and is used by the U.S. military for weapons system modeling.
Use cases
- create and edit 3D solid geometry models
- ray-trace renderings of CAD models
- perform geometric analysis on solid models
- benchmark system performance with a rendering workload
- script geometry construction programmatically
- model weapons systems for vulnerability analysis
When to choose
- you need CSG or B-REP solid modeling with a proven open-source kernel
- you need high-performance ray tracing for rendering or geometric analysis
- you need a cross-platform CAD system usable from scripts and libraries
- you work in defense or engineering analysis requiring precise solid geometry
When to avoid
- you want modern parametric feature-based mechanical CAD like FreeCAD
- you need surface mesh modeling or sculpting rather than solid geometry
- you want a polished GUI-first modeling experience with a large community
Facets
application · maturity active
graphics simulation image-processing benchmarking cli gui graphics simulation developer-tools windows bsd cross-platform cad solid-modeling csg b-rep ray-tracing geometry-editor 3d-modeling tcl computer-aided-design linux macos
3 sources
- readme: https://github.com/BRL-CAD/brlcad · fetched 2026-09-03 · 43896e430b16
- homepage: https://brlcad.org · fetched 2026-08-29 · 3eab998c96d6
- site_page: https://brlcad.org/wiki · fetched 2026-08-29 · b8c6aa20793d
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| BRL-CAD/brlcad | main | 87 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem