PyPI Stats
sail-sg

envpool

C++-based high-performance parallel environment execution engine (vectorized env) for general RL environments.
PyPI GitHub
Downloads
Day
540
Week
3.4K
Month
15.7K
Stars
1.3K
Forks
133
Issues
19
Version
1.2.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
65
Adoption
51
Community
50
How the maintenance status was determined
Last commit
21 days ago
Monthly downloads
15,705
• 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
15,705
Stars
1,330
Stars per 1k downloads
84.69
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
487
Month daily avg
524
Momentum
-6.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.11
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
Apache Software License
• 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
22 days ago
Total releases
37
Releases/year
8.2
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
29
Monthly downloads
15,705
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
55
 
Issue Burden
14.3
per 1k stars
Discussions
6.8
per 1k stars
Fork Ratio
21.8%
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

Linux 44
Windows 6
macOS 4

Python Versions

3.10
42.6% 23
3.12
35.2% 19
3.13
14.8% 8
3.11
3.7% 2
3.9
3.7% 2

Top Countries

1. KR KR
80
2. US US
25
3. TW TW
7
4. CA CA
6
5. CN CN
6
6. DE DE
2
7. DK DK
2
8. FR FR
2
9. JP JP
2
10. SG SG
2

Dependencies

8

Used By

1

Package Information

License
Apache Software License
First Release
November 9, 2021
Last Release
3 weeks ago
Last Commit
3 weeks ago
Latest Version
1.2.0
Total Releases
37
Contributors
29
Open PRs
2
Archived
No
Author
"EnvPool Contributors"
Python Versions
3 3.11 3.12 3.13 3.14
Wheels
cp310 cp311 cp312
Topics
reinforcement-learning parallel-processing cpp17 pybind11 reinforcement-learning-environments threadpool atari-games vizdoom gym high-performance-computing lock-free-queue mujoco box2d dm-control robotics dm-env
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links