lenstronomy
The premium Open Source alternative to Gravlens
🎯 Best for:Researchers analyzing strong gravitational lensing in astronomical images.
What is lenstronomy?
Replaces custom lensing scripts with a comprehensive framework for modeling galaxy-scale and cluster-scale lenses. It integrates multiple profiles and source reconstruction techniques.
Tech Stack
PythonPhysics & Astronomy
Why lenstronomy?
- • Multi-purpose
- • Well-documented
- • Modular design
Limitations
- • Computationally intensive
- • Requires lensing knowledge
- • Python overhead
2/14/2026
Last Update
113
Forks
30
Issues
BSD-3-Clause
License
Financial Leak Detected
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Competitor Cost
-$1,440
/ year (est. based on Gravlens)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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