head to head · open source
Onlook vs OpnForm
Onlook has 26,752 GitHub stars, 2,101 forks, 380 open issues and last shipped 24 days ago. OpnForm has 3,711 stars, 543 forks, 22 open issues and last shipped 3 days ago. Onlook leads on adoption by 621% (26,752 vs 3,711 stars). Onlook is written in TypeScript under Apache-2.0; OpnForm is written in PHP under a custom or non-standard licence. Onlook has attracted 8% as many forks as stars, OpnForm 15%. OpnForm 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
| Onlook | OpnForm | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 3.7K |
| License | Apache-2.0 | Custom / other |
| Written in | TypeScript | PHP |
| Last push | 2026-08-25 | 2026-09-15 |
| Forks | ⑂ 2.1K | ⑂ 543 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Onlook if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick OpnForm if
- You want the OpnForm feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches PHP
- You evaluated both and OpnForm fits your workflow better
About Onlook
Onlook is an open source, Apache 2.0 visual editor for Next.js and TailwindCSS projects that lets designers and developers edit a running React app in the browser while the underlying code changes in real time.
read the full Onlook overview →
About OpnForm
OpnForm is an open source form builder for the PHP, Laravel, and Nuxt ecosystem. It gives users a no code interface for creating forms, collecting submissions, and connecting form data to common team and automation tools. The core application is licensed under AGPLv3, while enterprise features under api/app/Enterprise use a proprietary license.
read the full OpnForm overview →
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Frequently asked questions
Is Onlook or OpnForm more popular?
Onlook has 26,752 GitHub stars and OpnForm has 3,711. Onlook has the larger community by that measure.
Are Onlook and OpnForm free?
Both are open source. Onlook is licensed under Apache-2.0, and OpnForm has no licence declared in this registry. Both are free to self-host.
What is the difference between Onlook and OpnForm?
Onlook is written in TypeScript and OpnForm 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, Onlook or OpnForm?
Choose Onlook if you want the larger community (26,752 stars) or its Apache-2.0 licence terms. Choose OpnForm if its feature set, stack or Custom / other licence fits better. Both are self-hostable.