head to head · open source
rembg vs flyimg
rembg has 25,095 GitHub stars, 2,443 forks, 3 open issues and last shipped 7 days ago. flyimg has 1,229 stars, 123 forks, 0 open issues and last shipped 18 days ago. rembg leads on adoption by 1,942% (25,095 vs 1,229 stars). rembg is written in Python under MIT; flyimg is written in PHP under AGPL-3.0. rembg has attracted 10% as many forks as stars, flyimg 10%. rembg was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (image-processing), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| rembg | flyimg | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 1.2K |
| License | MIT | AGPL-3.0 |
| Written in | Python | PHP |
| Last push | 2026-10-10 | 2026-09-29 |
| Forks | ⑂ 2.4K | ⑂ 123 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick rembg if
- You weight community size — 25K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick flyimg if
- You want the flyimg feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and flyimg fits your workflow better
About rembg
Rembg is an MIT licensed Python tool for removing image backgrounds, usable as a CLI, a Python library, an HTTP server, or a Docker container, and aimed at developers, designers, and automated image pipelines that need background removal without depending on a hosted service.
read the full rembg overview →
About flyimg
Flyimg is a Dockerized, self hostable image processing service that resizes, crops and compresses images on the fly, serving them in optimized formats such as AVIF, WebP, MozJPEG, PNG and GIF, and it is aimed at developers and teams who want a Cloudinary style image delivery pipeline running on their own infrastructure.
read the full flyimg overview →
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Frequently asked questions
Is rembg or flyimg more popular?
rembg has 25,095 GitHub stars and flyimg has 1,229. rembg has the larger community by that measure.
Are rembg and flyimg free?
Both are open source. rembg is licensed under MIT and flyimg under AGPL-3.0. Neither carries a licence fee.
What is the difference between rembg and flyimg?
rembg is written in Python and flyimg in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, rembg or flyimg?
Choose rembg if you want the larger community (25,095 stars) or its MIT licence terms. Choose flyimg if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.