PyRank
flexcompute

tidy3d

fast, large scale photonic simulation platform
PyPI GitHub
More links
Download Stats Bug Tracker
Monthly downloads
64.5K
Weekly downloads
17.2K
GitHub stars *
366

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
2.12.1
Requires Python
<3.15,>=3.10
Licence
LGPLv2+
Last Release
Yesterday
First Release
February 26, 2021
Total Releases
131
Python Versions
3.10 3.11 3.12 3.13 3.14
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
55
Adoption
78
Community
70
Provenance
0
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
64,474
• 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
64,474
Stars
366
Stars per 1k downloads
5.68
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
2,461
Month daily avg
2,149
Momentum
+14.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
<3.15,>=3.10
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
• Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
LGPLv2+
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
131
Releases/year
23.2
• 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
63
Monthly downloads
64,474
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
78
 
Issue Burden
226.8
per 1k stars
Discussions
142.1
per 1k stars
Fork Ratio
74.1%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 1.3K
Windows 49
macOS 27

Python Versions

3.12
67.4% 945
3.13
15.3% 214
3.14
8.1% 113
3.11
6.8% 96
3.10
2.5% 35

Top Countries

1. US US
3.6K
2. CN CN
482
3. CA CA
47
4. SG SG
11
5. GB GB
6
6. TW TW
6
7. ES ES
4
8. HK HK
4
9. FR FR
3
10. IN IN
3

Weekly Downloads

GitHub Stars *

Dependencies

28
117 optional dependencies
  • bayesian-optimization<4.0.0,>=2.0.0[design]
    extra == "design"
  • bayesian-optimization<4.0.0,>=2.0.0[dev]
    extra == "dev"
  • cma<5.0.0,>=4.4.1[dev]
    extra == "dev"
  • cma<5.0.0,>=4.4.1[docs]
    extra == "docs"
  • colour-science<0.5.0,>=0.4.7[dev]
    python_version >= "3.11" and extra == "dev"
  • coverage<8.0.0,>=7.13.1[dev]
    extra == "dev"
  • diff-cover<11.0.0,>=10.1.0[dev]
    extra == "dev"
  • dill<0.5.0,>=0.4.0[dev]
    extra == "dev"
  • gdstk<1.1,>=0.9.49[gdstk]
    extra == "gdstk"
  • gdstk<1.1,>=0.9.49[docs]
    extra == "docs"
  • gdstk<1.1,>=0.9.49[dev]
    extra == "dev"
  • grcwa<0.2.0,>=0.1.2[dev]
    extra == "dev"
  • grcwa<0.2.0,>=0.1.2[docs]
    extra == "docs"
  • hvplot<1.0.0,>=0.12.0[dev]
    extra == "dev"
  • ipython<9.0.0,>=8.38.0[dev]
    extra == "dev"
  • ipython<9.0.0,>=8.38.0[docs]
    extra == "docs"
  • jinja2<4.0.0,>=3.1.2[dev]
    extra == "dev"
  • jinja2<4.0.0,>=3.1.2[docs]
    extra == "docs"
  • jupyter<2.0.0,>=1.1.1[docs]
    extra == "docs"
  • jupyter<2.0.0,>=1.1.1[dev]
    extra == "dev"
  • jupyter-bokeh<5.0.0,>=4.0.5[dev]
    extra == "dev"
  • libcst<2.0.0,>=1.5.0[dev]
    extra == "dev"
  • memory-profiler<0.62.0,>=0.61.0[dev]
    extra == "dev"
  • myst-parser<5.0.0,>=4.0.1[dev]
    extra == "dev"
  • myst-parser<5.0.0,>=4.0.1[docs]
    extra == "docs"
  • nbconvert<8.0.0,>=7.17.0[docs]
    extra == "docs"
  • nbconvert<8.0.0,>=7.17.0[dev]
    extra == "dev"
  • nbdime<5.0.0,>=4.0.2[docs]
    extra == "docs"
  • nbdime<5.0.0,>=4.0.2[dev]
    extra == "dev"
  • nbsphinx<0.10.0,>=0.8.7[dev]
    extra == "dev"
  • nbsphinx<0.10.0,>=0.8.7[docs]
    extra == "docs"
  • nest-asyncio<2.0.0,>=1.6.0[dev]
    extra == "dev"
  • nest-asyncio<2.0.0,>=1.6.0[pyvista]
    extra == "pyvista"
  • networkx<4.0.0,>=2.6.3[tests]
    extra == "tests"
  • networkx<4.0.0,>=2.6.3[heatcharge]
    extra == "heatcharge"
  • networkx<4.0.0,>=2.6.3[trimesh]
    extra == "trimesh"
  • networkx<4.0.0,>=2.6.3[dev]
    extra == "dev"
  • openpyxl<4.0.0,>=3.1.5[dev]
    extra == "dev"
  • openpyxl<4.0.0,>=3.1.5[docs]
    extra == "docs"
  • pre-commit<5,>=4[dev]
    extra == "dev"
  • pre-commit<5,>=4[tests]
    extra == "tests"
  • psutil<8.0.0,>=7.2.1[tests]
    extra == "tests"
  • psutil<8.0.0,>=7.2.1[dev]
    extra == "dev"
  • pydata-sphinx-theme<0.20.0,>=0.13.3[docs]
    extra == "docs"
  • pydata-sphinx-theme<0.20.0,>=0.13.3[dev]
    extra == "dev"
  • pygad==3.7.0[design]
    extra == "design"
  • pygad==3.7.0[dev]
    extra == "dev"
  • pylint<5.0.0,>=4.0.4[dev]
    extra == "dev"
  • pylint<5.0.0,>=4.0.4[tests]
    extra == "tests"
  • pylint<5.0.0,>=4.0.4[docs]
    extra == "docs"
  • pyrefly==1.1.1[dev]
    extra == "dev"
  • pyswarms<2.0.0,>=1.3.0[dev]
    extra == "dev"
  • pyswarms<2.0.0,>=1.3.0[design]
    extra == "design"
  • pytest<10.0.0,>=8.1[tests]
    extra == "tests"
  • pytest<10.0.0,>=8.1[dev]
    extra == "dev"
  • pytest-cov<8.0.0,>=6.0.0[tests]
    extra == "tests"
  • pytest-cov<8.0.0,>=6.0.0[dev]
    extra == "dev"
  • pytest-env<2.0.0,>=1.1.5[dev]
    extra == "dev"
  • pytest-env<2.0.0,>=1.1.5[tests]
    extra == "tests"
  • pytest-testmon<3.0.0,>=2.1.3[tests]
    extra == "tests"
  • pytest-testmon<3.0.0,>=2.1.3[dev]
    extra == "dev"
  • pytest-timeout<3.0.0,>=2.4.0[dev]
    extra == "dev"
  • pytest-timeout<3.0.0,>=2.4.0[tests]
    extra == "tests"
  • pytest-xdist<4.0.0,>=3.6.1[tests]
    extra == "tests"
  • pytest-xdist<4.0.0,>=3.6.1[dev]
    extra == "dev"
  • pyvista<0.48.0,>=0.45[dev]
    extra == "dev"
  • pyvista<0.48.0,>=0.45[pyvista]
    extra == "pyvista"
  • rtree==1.4.1[trimesh]
    extra == "trimesh"
  • rtree==1.4.1[dev]
    extra == "dev"
  • rtree==1.4.1[tests]
    extra == "tests"
  • rtree==1.4.1[heatcharge]
    extra == "heatcharge"
  • ruff==0.14.1[dev]
    extra == "dev"
  • ruff==0.14.1[ruff]
    extra == "ruff"
  • scikit-rf<3.0.0,>=1.9.0[dev]
    extra == "dev"
  • scikit-rf<3.0.0,>=1.9.0[scikit-rf]
    extra == "scikit-rf"
  • signac<3.0.0,>=2.3.0[dev]
    extra == "dev"
  • signac<3.0.0,>=2.3.0[docs]
    extra == "docs"
  • sphinx<9.0.0,>=6[dev]
    extra == "dev"
  • sphinx<9.0.0,>=6[docs]
    extra == "docs"
  • sphinx-book-theme<2.0.0,>=1.0.1[dev]
    extra == "dev"
  • sphinx-book-theme<2.0.0,>=1.0.1[docs]
    extra == "docs"
  • sphinx-copybutton<0.6.0,>=0.5.2[dev]
    extra == "dev"
  • sphinx-copybutton<0.6.0,>=0.5.2[docs]
    extra == "docs"
  • sphinx-design<0.7.0,>=0.6.1[dev]
    extra == "dev"
  • sphinx-design<0.7.0,>=0.6.1[docs]
    extra == "docs"
  • sphinx-favicon<2.0.0,>=1.0.1[docs]
    extra == "docs"
  • sphinx-favicon<2.0.0,>=1.0.1[dev]
    extra == "dev"
  • sphinx-notfound-page<2.0.0,>=1.1.0[docs]
    extra == "docs"
  • sphinx-notfound-page<2.0.0,>=1.1.0[dev]
    extra == "dev"
  • sphinx-sitemap<3.0.0,>=2.5.1[docs]
    extra == "docs"
  • sphinx-sitemap<3.0.0,>=2.5.1[dev]
    extra == "dev"
  • sphinx-tabs<4.0.0,>=3.4.7[dev]
    extra == "dev"
  • sphinx-tabs<4.0.0,>=3.4.7[docs]
    extra == "docs"
  • sphinxemoji<0.4.0,>=0.3.2[docs]
    extra == "docs"
  • sphinxemoji<0.4.0,>=0.3.2[dev]
    extra == "dev"
  • tidy3d-extras==2.12.0[extras]
    extra == "extras"
  • tmm<0.3.0,>=0.2.0[dev]
    extra == "dev"
  • tmm<0.3.0,>=0.2.0[docs]
    extra == "docs"
  • torch<3.0.0,>=2.2.0[pytorch]
    sys_platform != "darwin" and extra == "pytorch"
  • torch<3.0.0,>=2.2.0[dev]
    sys_platform != "darwin" and extra == "dev"
  • towncrier<26.0.0,>=25.8.0[dev]
    extra == "dev"
  • tox<5.0.0,>=4.33.0[dev]
    extra == "dev"
  • trame<4.0.0,>=3.0.0[pyvista]
    extra == "pyvista"
  • trame<4.0.0,>=3.0.0[dev]
    extra == "dev"
  • trame-vtk<3.0.0,>=2.0.0[dev]
    extra == "dev"
  • trame-vtk<3.0.0,>=2.0.0[pyvista]
    extra == "pyvista"
  • trame-vuetify<4.0.0,>=2.0.0[dev]
    extra == "dev"
  • trame-vuetify<4.0.0,>=2.0.0[pyvista]
    extra == "pyvista"
  • trimesh<5.0.0,>=4.6[tests]
    extra == "tests"
  • trimesh<5.0.0,>=4.6[heatcharge]
    extra == "heatcharge"
  • trimesh<5.0.0,>=4.6[trimesh]
    extra == "trimesh"
  • trimesh<5.0.0,>=4.6[dev]
    extra == "dev"
  • vtk<10.0.0,>=9.6.0[heatcharge]
    extra == "heatcharge"
  • vtk<10.0.0,>=9.6.0[dev]
    extra == "dev"
  • vtk<10.0.0,>=9.6.0[pyvista]
    extra == "pyvista"
  • vtk<10.0.0,>=9.6.0[vtk]
    extra == "vtk"
  • zizmor<2.0.0,>=1.20.0[dev]
    extra == "dev"

Used By

6

Repository details

Forks
85
Issues
83
Last Commit
1 week ago
Contributors
63
Open PRs
1
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Sources and methodology