Side by side
flowerMD vs oPhysics
Both stand on physics simulation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Linux
flowerMD is a free, research-focused Python wrapper for assembling molecular-dynamics simulations. Its modular design and documented materials workflows are useful, but GPU installation requires manual CUDA alignment.
Visit flowerMD Free plan Web
oPhysics offers a broad browser simulation library for physics learning and practice. Its adjustable models, questions and graph tools support exploration, while the site’s ongoing development means coverage continues to evolve.
Visit oPhysicsThe facts
| flowerMD | oPhysics | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux | Web |
| Lowest paid plan | Not published | Not published |
| Plans published | None | None |
| Maker | Not published | Not published |
| Website | flowermd.readthedocs.io | ophysics.com |
| On physics simulation software | #77 of 89 | #73 of 89 |
flowerMD: what it does well
- Free Linux desktop package
- Wraps MoSDeF and HOOMD-Blue
- Supports several documented force-field classes
- Includes polymer workflow examples
- GPL-3.0 licensed with GitHub support
What to know first
- GPU setup requires manual CUDA matching
- Linux is the only listed platform
- No security or compliance claims are provided
oPhysics: what it does well
- Covers nine major physics topic areas
- Interactive controls change model variables
- Includes conceptual and practice activities
- Provides assessment tools and 3D visuals
- Permits non-profit educational use
What to know first
- No authoring tools
- Development remains a work in progress
- Content updates listed through March 2025
- No product plans or prices listed
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