head to head · open source
Tone.js vs Rallly
Tone.js has 14,725 GitHub stars, 1,063 forks, 65 open issues and last shipped 2 days ago. Rallly has 5,261 stars, 556 forks, 2 open issues and last shipped yesterday. Tone.js leads on adoption by 180% (14,725 vs 5,261 stars). Tone.js is written in TypeScript under MIT; Rallly is written in TypeScript under AGPL-3.0. Tone.js has attracted 7% as many forks as stars, Rallly 11%. Rallly 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
| Tone.js | Rallly | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 5.3K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 1.1K | ⑂ 556 |
| 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 Rallly if
- You want the Rallly feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Rallly fits your workflow better
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 →
About Rallly
Rallly is an open source scheduling and collaboration tool built to help groups find the best date and time to meet. Instead of exchanging messages about availability, a person creates a poll with several candidate dates and times, shares the link, and participants vote on the options that work for them. It lives in the Business Software category, specifically Scheduling and Event Management, and positions itself as an open alternative to Calendly. The project is written in TypeScript and released under the AGPL 3.0 license, with the source hosted publicly and the hosted service available at rallly.co.…
read the full Rallly overview →
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Frequently asked questions
Is Tone.js or Rallly more popular?
Tone.js has 14,725 GitHub stars and Rallly has 5,261. Tone.js has the larger community by that measure.
Are Tone.js and Rallly free?
Both are open source. Tone.js is licensed under MIT and Rallly under AGPL-3.0. Neither carries a licence fee.
What is the difference between Tone.js and Rallly?
Tone.js is written in TypeScript and Rallly 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, Tone.js or Rallly?
Choose Tone.js if you want the larger community (14,725 stars) or its MIT licence terms. Choose Rallly if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.