head to head · open source
Tone.js vs Easy!Appointments
Tone.js has 14,874 GitHub stars, 1,086 forks, 65 open issues and last shipped 2 days ago. Easy!Appointments has 4,474 stars, 1,584 forks, 164 open issues and last shipped yesterday. Tone.js leads on adoption by 232% (14,874 vs 4,474 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 35%. Easy!Appointments 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 | ★ 4.5K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | PHP |
| Last push | 2026-11-01 | 2026-11-02 |
| 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 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 Easy!Appointments
Easy!Appointments A powerful, self hosted appointment scheduling platform built for flexibility. Why Easy!Appointments • Features • Quick Start • Installation • License Looking for advanced capabilities? Explore premium features and professional services at easyappointments.org/premium . 🚀 Why Easy!Appointments Easy!Appointments is an open source scheduling system that gives you full control over your booking workflow. It is designed to adapt to your business — whether you need simple appointment booking or more advanced scheduling logic. Key advantages: Fully self hosted — your data stays under your control…
read the full Easy!Appointments overview →
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Frequently asked questions
Is Tone.js or Easy!Appointments more popular?
Tone.js has 14,874 GitHub stars and Easy!Appointments has 4,474. 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 (14,874 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.