head to head · open source
Fider vs mouthful
Fider has 4,530 GitHub stars, 852 forks, 57 open issues and last shipped yesterday. mouthful has 775 stars, 40 forks, 32 open issues and last shipped 12 months ago. Fider leads on adoption by 485% (4,530 vs 775 stars). Fider is written in Go under AGPL-3.0; mouthful is written in Go under MIT. Fider has attracted 19% as many forks as stars, mouthful 5%. Fider was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Fider | mouthful | |
|---|---|---|
| GitHub stars | ★ 4.5K | ★ 775 |
| License | AGPL-3.0 | MIT |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2025-10-08 |
| Forks | ⑂ 852 | ⑂ 40 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Fider if
- You weight community size — 4.5K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick mouthful if
- You want the mouthful feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and mouthful fits your workflow better
About Fider
Fider is an open source, self hostable feedback portal, written in Go under the AGPL 3.0 licence, that lets a product team collect feature requests and suggestions from its customers and hear directly what they need.
read the full Fider overview →
About mouthful
Mouthful is a self hosted commenting server written in Go and Preact, and it is presented as an alternative to Disqus. It lives in the open source community and feedback ecosystem for blogs and websites that need a comment section without relying on an external advertising supported service.
read the full mouthful overview →
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Frequently asked questions
Is Fider or mouthful more popular?
Fider has 4,530 GitHub stars and mouthful has 775. Fider has the larger community by that measure.
Are Fider and mouthful free?
Both are open source. Fider is licensed under AGPL-3.0 and mouthful under MIT. Neither carries a licence fee.
What is the difference between Fider and mouthful?
Fider is written in Go and mouthful 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, Fider or mouthful?
Choose Fider if you want the larger community (4,530 stars) or its AGPL-3.0 licence terms. Choose mouthful if its feature set, stack or MIT licence fits better. Both are self-hostable.