head to head · open source
Fider vs chirpy
Fider has 4,530 GitHub stars, 852 forks, 57 open issues and last shipped yesterday. chirpy has 605 stars, 34 forks, 20 open issues and last shipped 5 months ago. Fider leads on adoption by 649% (4,530 vs 605 stars). Fider is written in Go under AGPL-3.0; chirpy is written in TypeScript under AGPL-3.0. Fider has attracted 19% as many forks as stars, chirpy 6%. 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 | chirpy | |
|---|---|---|
| GitHub stars | ★ 4.5K | ★ 605 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Go | TypeScript |
| Last push | 2026-09-17 | 2026-04-29 |
| Forks | ⑂ 852 | ⑂ 34 |
| 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 chirpy if
- You want the chirpy feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and chirpy 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 chirpy
Chirpy is an open source comment system built as a privacy friendly and customizable alternative to Disqus. It ships as a TypeScript application built on Next.js, with TailwindCSS for styling, next auth for authentication, and tiptap for the rich text editor. The project is licensed under AGPL 3.0 and lives in the JavaScript and TypeScript ecosystem, where it competes with embedded comment widgets such as Disqus and utterances.
read the full chirpy overview →
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Frequently asked questions
Is Fider or chirpy more popular?
Fider has 4,530 GitHub stars and chirpy has 605. Fider has the larger community by that measure.
Are Fider and chirpy free?
Both are open source. Fider is licensed under AGPL-3.0 and chirpy under AGPL-3.0. Neither carries a licence fee.
What is the difference between Fider and chirpy?
Fider is written in Go and chirpy in TypeScript. 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 chirpy?
Choose Fider if you want the larger community (4,530 stars) or its AGPL-3.0 licence terms. Choose chirpy if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.