head to head · open source
Audacity vs Concat
Audacity has 18,928 GitHub stars, 2,712 forks, 1,781 open issues and last shipped yesterday. Concat has 13,787 stars, 1,701 forks, 44 open issues and last shipped yesterday. Audacity leads on adoption by 37% (18,928 vs 13,787 stars). Audacity is written in C++ under a custom or non-standard licence; Concat is written in Rust under AGPL-3.0. Audacity has attracted 14% as many forks as stars, Concat 12%. Concat 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
| Audacity | Concat | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 14K |
| License | Custom / other | AGPL-3.0 |
| Written in | C++ | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.7K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Audacity if
- You weight community size — 19K stars and counting
- You want the Custom / other license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick Concat if
- You want the Concat feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and Concat fits your workflow better
About Audacity
Audacity Audacity is an easy to use, multi track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems. More info can be found on This repository is currently undergoing major structural change. We're currently working on Audacity 4, which means an entirely new UI and also refactorings aplenty. As such, the master branch is currently not particularly friendly to new contributors. It is still possible to submit patches to Audacity 3.x; make sure you branch off audacity3 if you choose to do so. Build instructions for 3.x can be found here; build instructions for Audacity 4 can be…
read the full Audacity overview →
About Concat
Concat The truly free, and open source cross platform CapCut replacement. Your logo here Sponsor Concat and your name, logo and link take this slot Your logo here Sponsor Concat and your name, logo and link take this slot Your logo here Sponsor Concat and your name, logo and link take this slot Your logo here Sponsor Concat and your name, logo and link take this slot Your logo here Sponsor Concat and your name, logo and link take this slot Your logo here Sponsor Concat and your name, logo and link take this slot About Concat is a free, open source video editor and a CapCut alternative for macOS, Windows, Linux…
read the full Concat overview →
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Frequently asked questions
Is Audacity or Concat more popular?
Audacity has 18,928 GitHub stars and Concat has 13,787. Audacity has the larger community by that measure.
Are Audacity and Concat free?
Both are open source. Audacity has no licence declared in this registry, and Concat is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Audacity and Concat?
Audacity is written in C++ and Concat in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Audacity or Concat?
Choose Audacity if you want the larger community (18,928 stars) or its Custom / other licence terms. Choose Concat if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.