head to head · open source
rembg vs chafa
rembg has 24,905 GitHub stars, 2,424 forks, 3 open issues and last shipped 8 days ago. chafa has 5,284 stars, 118 forks, 54 open issues and last shipped yesterday. rembg leads on adoption by 371% (24,905 vs 5,284 stars). rembg is written in Python under MIT; chafa is written in C under LGPL-3.0. rembg has attracted 10% as many forks as stars, chafa 2%. chafa 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 | chafa | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 5.3K |
| License | MIT | LGPL-3.0 |
| Written in | Python | C |
| Last push | 2026-09-20 | 2026-09-27 |
| Forks | ⑂ 2.4K | ⑂ 118 |
| 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 chafa if
- You want the chafa feature set and don't need the biggest community
- You prefer the LGPL-3.0 license terms
- Your stack matches C
- You evaluated both and chafa 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 chafa
Chafa is a command line utility and C library that converts image data, including animated GIFs, into ANSI/Unicode character art or terminal graphics formats, and it is for anyone who wants to view images inside a terminal.
read the full chafa overview →
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Frequently asked questions
Is rembg or chafa more popular?
rembg has 24,905 GitHub stars and chafa has 5,284. rembg has the larger community by that measure.
Are rembg and chafa free?
Both are open source. rembg is licensed under MIT and chafa under LGPL-3.0. Neither carries a licence fee.
What is the difference between rembg and chafa?
rembg is written in Python and chafa in C. 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 chafa?
Choose rembg if you want the larger community (24,905 stars) or its MIT licence terms. Choose chafa if its feature set, stack or LGPL-3.0 licence fits better. Both are self-hostable.