head to head · open source
Onlook vs OpnForm
Onlook has 27,077 GitHub stars, 2,139 forks, 380 open issues and last shipped 13 days ago. OpnForm has 3,961 stars, 570 forks, 22 open issues and last shipped 2 days ago. Onlook leads on adoption by 584% (27,077 vs 3,961 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 14%. 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 | ★ 4.0K |
| License | Apache-2.0 | Custom / other |
| Written in | TypeScript | PHP |
| Last push | 2026-10-21 | 2026-11-01 |
| Forks | ⑂ 2.1K | ⑂ 570 |
| 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 The design tool for AI native designers — now in early access. Onlook makes designing on top of your codebase effortless. Craft exceptional experiences with AI in code. → Join the waitlist 👨💻👩💻👨💻 We're hiring engineers in SF! 👩💻👨💻👩💻 View Demo · Report Bug · Request Feature [![Discord][discord shield]][discord url] [![LinkedIn][linkedin shield]][linkedin url] [![Twitter][twitter shield]][twitter url] 中文 Español Deutsch français Português Русский 日本語 한국어 This is the open source visual editor that started Onlook (Next.js + Tailwind). The hosted product we're building next, for AI native…
read the full Onlook overview →
About OpnForm
OpnForm OpnForm is an open source form builder. Get Started The easiest way to get started with OpnForm is to sign up for our managed service in the Cloud. You get support, backups, upgrades, and more. Your data is safe and secure, and you don't need to worry about maintenance or infrastructure. Check out our quick overview of cloud vs self hosting. Key Features 🚀 No code builder with unlimited forms & submissions 📝 Various input types: Text, Date, URL, File uploads & much more 🌐 Embed anywhere 📧 Email notifications 💬 Integrations (Slack, Webhooks, Discord) 🧠 Form logic & customization 🛡️ Captcha…
read the full OpnForm overview →
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Frequently asked questions
Is Onlook or OpnForm more popular?
Onlook has 27,077 GitHub stars and OpnForm has 3,961. 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 (27,077 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.