head to head · open source
Tone.js vs Easy!Appointments
Tone.js has 14,725 GitHub stars, 1,063 forks, 65 open issues and last shipped 2 days ago. Easy!Appointments has 4,377 stars, 1,567 forks, 164 open issues and last shipped 4 days ago. Tone.js leads on adoption by 236% (14,725 vs 4,377 stars). Tone.js is written in TypeScript under MIT; Easy!Appointments is written in PHP under GPL-3.0. Tone.js has attracted 7% as many forks as stars, Easy!Appointments 36%. 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 (javascript), 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 | Easy!Appointments | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 4.4K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | PHP |
| Last push | 2026-09-16 | 2026-09-14 |
| Forks | ⑂ 1.1K | ⑂ 1.6K |
| 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 Easy!Appointments if
- You want the Easy!Appointments feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and Easy!Appointments 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 Easy!Appointments
Easy!Appointments is a free, open source, self hosted appointment scheduling platform written in PHP and released under the GPL 3.0 license. It runs on the CodeIgniter framework with a MySQL database and a JavaScript front end, and it is distributed through the project's GitHub repository at alextselegidis/easyappointments. The application is designed to adapt to a business rather than force a business to adapt to it, covering both simple appointment booking and more advanced scheduling logic.
read the full Easy!Appointments overview →
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Frequently asked questions
Is Tone.js or Easy!Appointments more popular?
Tone.js has 14,725 GitHub stars and Easy!Appointments has 4,377. Tone.js has the larger community by that measure.
Are Tone.js and Easy!Appointments free?
Both are open source. Tone.js is licensed under MIT and Easy!Appointments under GPL-3.0. Neither carries a licence fee.
What is the difference between Tone.js and Easy!Appointments?
Tone.js is written in TypeScript and Easy!Appointments in PHP. 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 Easy!Appointments?
Choose Tone.js if you want the larger community (14,725 stars) or its MIT licence terms. Choose Easy!Appointments if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.