head to head · open source
Fluxer vs certificates
Fluxer has 10,765 GitHub stars, 849 forks, 111 open issues and last shipped yesterday. certificates has 9,037 stars, 616 forks, 299 open issues and last shipped 2 days ago. Fluxer leads on adoption by 19% (10,765 vs 9,037 stars). Fluxer is written in TypeScript under AGPL-3.0; certificates is written in Go under Apache-2.0. Fluxer has attracted 8% as many forks as stars, certificates 7%. Fluxer 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
| Fluxer | certificates | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 9.0K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 849 | ⑂ 616 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Fluxer if
- You weight community size — 11K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick certificates if
- You want the certificates 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 certificates fits your workflow better
About Fluxer
Fluxer Fluxer is a free and open source instant messaging and VoIP chat app built for friends, groups, and communities.
read the full Fluxer overview →
About certificates
step ca step ca is an online certificate authority for secure, automated certificate management for DevOps. It's the server counterpart to the step CLI tool for working with certificates and keys. Both projects are maintained by Smallstep Labs. You can use step ca to: Issue HTTPS server and client certificates that work in browsers (RFC5280 and CA/Browser Forum compliance) Issue TLS certificates for DevOps: VMs, containers, APIs, database connections, Kubernetes pods... Issue SSH certificates: For people, in exchange for single sign on identity tokens For hosts, in exchange for cloud instance identity documents…
read the full certificates overview →
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Frequently asked questions
Is Fluxer or certificates more popular?
Fluxer has 10,765 GitHub stars and certificates has 9,037. Fluxer has the larger community by that measure.
Are Fluxer and certificates free?
Both are open source. Fluxer is licensed under AGPL-3.0 and certificates under Apache-2.0. Neither carries a licence fee.
What is the difference between Fluxer and certificates?
Fluxer is written in TypeScript and certificates 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, Fluxer or certificates?
Choose Fluxer if you want the larger community (10,765 stars) or its AGPL-3.0 licence terms. Choose certificates if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.