opensim-org/opensim-core
SimTK OpenSim C++ libraries and command-line applications, and Java/Python wrapping. observed · 2026-09-03
Health v2 · maintenance only
86/100
- Activity 100
- Release rhythm 60
- Longevity 100
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: 442
- age_days: 4465
- days_rel: 55
- days_push: 0
- n_releases_24m: 2
Adoption not part of the score
1105 stars · 390 forks observed · 2026-09-03
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
OpenSim Core is a C++ library and set of command-line applications for building musculoskeletal models and running dynamic simulations of movement, with Java and Python bindings. It is the engine behind the OpenSim GUI and is widely used in biomechanics research for tasks like inverse kinematics and computed muscle control.
Use cases
- simulate human walking and running with musculoskeletal models
- compute inverse kinematics from motion capture data
- run computed muscle control to estimate muscle forces
- scale generic musculoskeletal models to a subject's anthropometry
- script biomechanics analyses from Python or Matlab
- study orthopedics and rehabilitation interventions in simulation
When to choose
- you need programmable, scriptable musculoskeletal simulation in C++, Python, or Java
- you want a mature, community-supported biomechanics engine with 15+ years of research use
- you need command-line tools for kinematics and muscle control pipelines
When to avoid
- you need a graphical modeling interface - use the separate OpenSim GUI instead
- your domain is general rigid-body robotics or game physics rather than neuromuscular simulation
Facets
library · maturity stable
simulation sdk cli simulation bioinformatics healthcare robotics windows cpp python jvm cross-platform biomechanics musculoskeletal-modeling motion-capture muscle-control inverse-kinematics computational-biology linux macos
2 sources
- readme: https://github.com/opensim-org/opensim-core · fetched 2026-09-03 · d7c1a4b2df64
- homepage: https://opensim.stanford.edu · fetched 2026-08-29 · 76d4beac0d39
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| opensim-org/opensim-core | main | 86 |
For agents
markdown · JSON · MCP: product_card(name="opensim-org/opensim-core")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem