head to head · open source
ToolJet vs Onlook
ToolJet has 41,179 GitHub stars, 5,510 forks, 1,204 open issues and last shipped yesterday. Onlook has 27,083 stars, 2,139 forks, 380 open issues and last shipped 13 days ago. ToolJet leads on adoption by 52% (41,179 vs 27,083 stars). ToolJet is written in HTML under AGPL-3.0; Onlook is written in TypeScript under Apache-2.0. ToolJet has attracted 13% as many forks as stars, Onlook 8%. ToolJet 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
| ToolJet | Onlook | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 27K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | HTML | TypeScript |
| Last push | 2026-11-02 | 2026-10-21 |
| Forks | ⑂ 5.5K | ⑂ 2.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ToolJet if
- You weight community size — 41K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick Onlook if
- You want the Onlook feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Onlook fits your workflow better
About ToolJet
ToolJet is an open source platform for building internal tools: admin panels, dashboards, and operational apps that run on your existing databases, APIs, and SaaS systems. Build them by prompting. ToolJet AI turns a description into pages, queries, and components, and the coding agent you already use can do the same through ToolJet's MCP server. Agents build against ToolJet's real component and data contracts rather than emitting free form code, so what you get is an actual ToolJet app: one your team keeps editing in the visual builder, under the same permissions, environments, and version history as everything…
read the full ToolJet overview →
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 →
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Frequently asked questions
Is ToolJet or Onlook more popular?
ToolJet has 41,179 GitHub stars and Onlook has 27,083. ToolJet has the larger community by that measure.
Are ToolJet and Onlook free?
Both are open source. ToolJet is licensed under AGPL-3.0 and Onlook under Apache-2.0. Neither carries a licence fee.
What is the difference between ToolJet and Onlook?
ToolJet is written in HTML and Onlook in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ToolJet or Onlook?
Choose ToolJet if you want the larger community (41,179 stars) or its AGPL-3.0 licence terms. Choose Onlook if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.