head to head · open source
monaco-editor vs badssl.com
monaco-editor has 46,939 GitHub stars, 4,168 forks, 859 open issues and last shipped 3 days ago. badssl.com has 3,056 stars, 205 forks, 210 open issues and last shipped 5 months ago. monaco-editor leads on adoption by 1,436% (46,939 vs 3,056 stars). monaco-editor is written in JavaScript under MIT; badssl.com is written in HTML under Apache-2.0. monaco-editor has attracted 9% as many forks as stars, badssl.com 7%. monaco-editor was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser), 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
| monaco-editor | badssl.com | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 3.1K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | HTML |
| Last push | 2026-10-31 | 2026-06-01 |
| Forks | ⑂ 4.2K | ⑂ 205 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick monaco-editor if
- You weight community size — 47K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick badssl.com if
- You want the badssl.com feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches HTML
- You evaluated both and badssl.com fits your workflow better
About monaco-editor
Monaco Editor The Monaco Editor is the fully featured code editor from VS Code. Check out the VS Code docs to see some of the supported features. Try it out Try out the editor and see various examples in our interactive playground. The playground is the best way to learn about how to use the editor, which features is supports, to try out different versions and to create minimal reproducible examples for bug reports. Installing You will get: inside /esm : ESM version of the editor (compatible with e.g. webpack) monaco.d.ts : this specifies the API of the editor (this is what is actually versioned, everything else…
read the full monaco-editor overview →
About badssl.com
Visit badssl.com for a list of test subdomains, including: self signed.badssl.com expired.badssl.com mixed.badssl.com rc4.badssl.com hsts.badssl.com Server Setup Stock Ubuntu VM, DNS A records for badssl.com. and .badssl.com. pointing to the VM. Testing and development 1. Follow the instructions to install Docker. 2. Clone into the badssl repo by running git clone && cd badssl.com . 3. In order to access the various badssl subdomains locally you will need to add them to your system hosts file. Run make list hosts and copy and paste the output into /etc/hosts . 4. Start Docker by running make serve . 5. You can…
read the full badssl.com overview →
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Frequently asked questions
Is monaco-editor or badssl.com more popular?
monaco-editor has 46,939 GitHub stars and badssl.com has 3,056. monaco-editor has the larger community by that measure.
Are monaco-editor and badssl.com free?
Both are open source. monaco-editor is licensed under MIT and badssl.com under Apache-2.0. Neither carries a licence fee.
What is the difference between monaco-editor and badssl.com?
monaco-editor is written in JavaScript and badssl.com in HTML. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, monaco-editor or badssl.com?
Choose monaco-editor if you want the larger community (46,939 stars) or its MIT licence terms. Choose badssl.com if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.