head to head · open source
Tone.js vs Saturn
Tone.js has 14,874 GitHub stars, 1,086 forks, 65 open issues and last shipped 2 days ago. Saturn has 2,306 stars, 684 forks, 279 open issues and last shipped 12 months ago. Tone.js leads on adoption by 545% (14,874 vs 2,306 stars). Tone.js is written in TypeScript under MIT; Saturn is written in Java under Apache-2.0. Tone.js has attracted 7% as many forks as stars, Saturn 30%. Tone.js was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (scheduling), so they are genuine substitutes rather than adjacent tools.
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
| Tone.js | Saturn | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 2.3K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-01 | 2025-11-12 |
| Forks | ⑂ 1.1K | ⑂ 684 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Tone.js if
- You weight community size — 15K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Saturn if
- You want the Saturn feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and Saturn fits your workflow better
About Tone.js
Tone.js Tone.js is a Web Audio framework for creating interactive music in the browser. The architecture of Tone.js aims to be familiar to both musicians and audio programmers creating web based audio applications. On the high level, Tone offers common DAW (digital audio workstation) features like a global transport for synchronizing and scheduling events as well as prebuilt synths and effects. Additionally, Tone provides high performance building blocks to create your own synthesizers, effects, and complex control signals. API Examples Installation There are two ways to incorporate Tone.js into a project…
read the full Tone.js overview →
About Saturn
Saturn is a platform created by VIP.com(唯品会) to provide a distributed, fault tolerant and high available job scheduling service. Why Saturn? Time based and language unrestricted job Easy job implmentation and web based management Parallel subtask(shard) scheduling 1 second level scheduling supported Intelligent load based job allocation Fail detection & failover support Statistical data visualization All around monitoring and easy troubleshooting Multi active cluster deployment support Container friendly Stand the test of billion times scheduling per day and more Quick Start 快速安装 Make sure below stuff already…
read the full Saturn overview →
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Frequently asked questions
Is Tone.js or Saturn more popular?
Tone.js has 14,874 GitHub stars and Saturn has 2,306. Tone.js has the larger community by that measure.
Are Tone.js and Saturn free?
Both are open source. Tone.js is licensed under MIT and Saturn under Apache-2.0. Neither carries a licence fee.
What is the difference between Tone.js and Saturn?
Tone.js is written in TypeScript and Saturn in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Tone.js or Saturn?
Choose Tone.js if you want the larger community (14,874 stars) or its MIT licence terms. Choose Saturn if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.