head to head · open source
Fluxer vs Tongsuo
Fluxer has 10,318 GitHub stars, 760 forks, 111 open issues and last shipped today. Tongsuo has 1,535 stars, 260 forks, 160 open issues and last shipped 13 days ago. Fluxer leads on adoption by 572% (10,318 vs 1,535 stars). Fluxer is written in TypeScript under AGPL-3.0; Tongsuo is written in C under Apache-2.0. Fluxer has attracted 7% as many forks as stars, Tongsuo 17%. 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 | Tongsuo | |
|---|---|---|
| GitHub stars | ★ 10K | ★ 1.5K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | C |
| Last push | 2026-09-20 | 2026-09-07 |
| Forks | ⑂ 760 | ⑂ 260 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Fluxer if
- You weight community size — 10K 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 Tongsuo if
- You want the Tongsuo feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C
- You evaluated both and Tongsuo fits your workflow better
About Fluxer
Fluxer is a free and open source instant messaging and VoIP chat application built for friends, groups, and communities. The project's tagline describes it as messaging with privacy and community focus, and the GitHub description repeats the same core purpose. The repository is written in TypeScript and is distributed under the AGPL 3.0 license.
read the full Fluxer overview →
About Tongsuo
Tongsuo (铜锁) is an open source C library of modern cryptographic primitives and secure communication protocols, developed under the OpenAtom Foundation, and it is built for teams that need Chinese commercial cryptography, TLS, PKI, and privacy preserving primitives from a single dependency.
read the full Tongsuo overview →
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Frequently asked questions
Is Fluxer or Tongsuo more popular?
Fluxer has 10,318 GitHub stars and Tongsuo has 1,535. Fluxer has the larger community by that measure.
Are Fluxer and Tongsuo free?
Both are open source. Fluxer is licensed under AGPL-3.0 and Tongsuo under Apache-2.0. Neither carries a licence fee.
What is the difference between Fluxer and Tongsuo?
Fluxer is written in TypeScript and Tongsuo 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, Fluxer or Tongsuo?
Choose Fluxer if you want the larger community (10,318 stars) or its AGPL-3.0 licence terms. Choose Tongsuo if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.