PyPI Stats
gbionics

jaxsim

A differentiable physics engine and multibody dynamics library for control and robot learning.
PyPI GitHub
Downloads
Day
286
Week
818
Month
17.5K
Stars
193
Forks
22
Issues
7
Version
0.9.1.dev2

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
45
Adoption
42
Community
60
How the maintenance status was determined
Last commit
14 days ago
Monthly downloads
17,522
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
17,522
Stars
193
Stars per 1k downloads
11.01
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
• Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
117
Month daily avg
584
Momentum
-80.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD-3-Clause
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
1 days ago
Total releases
354
Releases/year
101.6
• Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
84
Monthly downloads
17,522
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
54
 
Issue Burden
36.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
381.8%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

No OS data available

Python Versions

No Python version data available

Top Countries

1. KR KR
23
2. SE SE
8
3. US US
6
4. SG SG
2
5. CA CA
1

Dependencies

11
24 optional dependencies

Used By

0
Not used by any tracked packages

Package Information

License
BSD-3-Clause
First Release
November 11, 2022
Last Release
Yesterday
Last Commit
2 weeks ago
Latest Version
0.9.1.dev2
Total Releases
354
Contributors
84
Open PRs
2
Archived
No
Python Versions
3.10 3.11 3.12 3.13 3.14
Wheels
py3
Keywords
featherstone jax physics physics engine reinforcement learning rigid body dynamics robot robotics sdf urdf
Topics
aba ad automatic-differentiation crba dynamics featherstone jacobian jax jit kinematics ode physics physics-engine rigid-body-dynamics rnea robotics robotics-control robotics-simulation simulation simulation-modeling
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links