SiEPIC/gds_fdtd
EDA-agnostic and Solver-agnostic 3D FDTD simulations execution framework for photonic layouts: GDS in, results out (S-parameters, visualization tools, compact models) - tidy3d, Lumerical, or beamz behind one API.
Summary
The available public data is mixed. More sustained activity or a broader contributor base would strengthen the score.
SiEPIC/gds_fdtd recorded 59 commits in the past 30 days, has 5 public contributors, and has averaged 0 stars a day since launch.
Repository health
Maintainer track record
Repository quality
Catalyst Score
Contributors
Public track record
@SiEPIC · Repository organization
Active maintainer with a growing open-source track record.
@mustafacc · Top contributor
Established maintainer with a long public history and active community.
@dependabot[bot] · Top contributor
This account has a limited public history, so the track-record score is less certain.
@lukasc-ubc · Top contributor
Established maintainer with a long public history and active community.
Score breakdown
How the Catalyst Score was calculated
Activity
Recent repository activity
59
Commits · 30d
5
Public contributors
0
Lifetime stars/day
106
Pull requests · 90d
Findings
What we found
59 commits in the last 30 days
5 public contributors
4 issues and 106 pull requests opened in 90 days
12 documentation and structure checks passed
Related repositories
cad · 293 created in the past 30 days
Risk review
What needs watching
Public GitHub data cannot verify private work, employment claims, code security, or identity. Use the track-record score as research context, not proof of identity or trustworthiness.
Growth quality
Recent attention and maintainer concentration
Recent timestamps and contribution patterns help distinguish sustained adoption from a single headline number.
Contributor concentration
Top 5 public contributors
- Top contributor share
- 81%
- Top three share
- 99%
- Contributors checked
- 5
- Concentration
- High
Shares use the contribution totals reported for the contributors checked, not private or unlinked activity.
Recent commit sample
Latest 100 commits
- Unique authors
- 3
- Verified commits
- 0%
- Merge commits
- 0%
- Median time between commits
- 5 min
Repository footprint
Default branch: main
- Repository size
- 38.1 MB
- Branches
- 6
- Tags
- 18
- Watchers
- 2
Deeper GitHub data
Delivery, collaboration, and project readiness
These metrics use the latest public records GitHub makes available for this repository.
Language composition
Share of detected source bytes
Community readiness
GitHub community health 87%
Pull request health
Latest 50 pull requests
- Merge rate
- 96%
- Median merge time
- 38.7 hours
- Open
- 4
- Stale over 30 days
- 0
Issue health
Latest 3 issues
- Closure rate
- 33%
- Median close time
- 2.2 days
- Open
- 2
- Open without replies
- 0
Release cadence
Latest 18 release records
- Latest release
- v0.6.3
- Published in 90 days
- 5
- Median cadence
- 2.8 days
- Asset downloads
- 12
CI reliability
Latest 50 workflow runs
- Success rate
- 66%
- Workflows represented
- 10
- Failed runs
- 11
- Median duration
- 0.8 min
Last checked
8/26/2026, 2:03:21 AM