head to head · open source
rembg vs imagor
rembg has 24,936 GitHub stars, 2,427 forks, 3 open issues and last shipped 11 days ago. imagor has 4,026 stars, 176 forks, 2 open issues and last shipped 7 days ago. rembg leads on adoption by 519% (24,936 vs 4,026 stars). rembg is written in Python under MIT; imagor is written in Go under Apache-2.0. rembg has attracted 10% as many forks as stars, imagor 4%. imagor 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 | imagor | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 4.0K |
| License | MIT | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-20 | 2026-09-24 |
| Forks | ⑂ 2.4K | ⑂ 176 |
| 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 imagor if
- You want the imagor feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and imagor 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 imagor
imagor is a fast, secure image processing server and Go library built on libvips, intended for developers who need on demand image resizing, formatting, and filtering over HTTP or as an embedded Go package.
read the full imagor overview →
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Frequently asked questions
Is rembg or imagor more popular?
rembg has 24,936 GitHub stars and imagor has 4,026. rembg has the larger community by that measure.
Are rembg and imagor free?
Both are open source. rembg is licensed under MIT and imagor under Apache-2.0. Neither carries a licence fee.
What is the difference between rembg and imagor?
rembg is written in Python and imagor in Go. 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 imagor?
Choose rembg if you want the larger community (24,936 stars) or its MIT licence terms. Choose imagor if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.