head to head · open source
salt vs Tone.js
salt has 15,661 GitHub stars, 5,610 forks, 1,885 open issues and last shipped yesterday. Tone.js has 14,725 stars, 1,063 forks, 65 open issues and last shipped 2 days ago. salt leads on adoption by 6% (15,661 vs 14,725 stars). salt is written in Python under Apache-2.0; Tone.js is written in TypeScript under MIT. salt has attracted 36% as many forks as stars, Tone.js 7%. salt 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
| salt | Tone.js | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 15K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 5.6K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick salt if
- You weight community size — 16K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Tone.js if
- You want the Tone.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Tone.js fits your workflow better
About salt
Salt is a Python based, event driven automation framework that deploys, configures and manages complex IT systems at scale, built for system administrators, platform and infrastructure engineers, and DevOps teams responsible for keeping many servers, virtual machines, containers, databases, web servers and network devices in a consistent desired state.
About Tone.js
Tone.js is a Web Audio framework for creating interactive music in the browser. It is written in TypeScript and released under the MIT license, and it lives in the JavaScript and Web Audio API ecosystem, where it is distributed through npm and unpkg. The project has been developed for roughly thirteen years and carries a substantial community footprint, with more than fourteen thousand stars and over a thousand forks on GitHub.
read the full Tone.js overview →
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Frequently asked questions
Is salt or Tone.js more popular?
salt has 15,661 GitHub stars and Tone.js has 14,725. salt has the larger community by that measure.
Are salt and Tone.js free?
Both are open source. salt is licensed under Apache-2.0 and Tone.js under MIT. Neither carries a licence fee.
What is the difference between salt and Tone.js?
salt is written in Python and Tone.js 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, salt or Tone.js?
Choose salt if you want the larger community (15,661 stars) or its Apache-2.0 licence terms. Choose Tone.js if its feature set, stack or MIT licence fits better. Both are self-hostable.