head to head · open source
Lightpanda vs opentabs
Lightpanda has 35,996 GitHub stars, 1,700 forks, 98 open issues and last shipped today. opentabs has 967 stars, 96 forks, 10 open issues and last shipped 2 days ago. Lightpanda leads on adoption by 3,622% (35,996 vs 967 stars). Lightpanda is written in Zig under AGPL-3.0; opentabs is written in TypeScript under MIT. Lightpanda has attracted 5% as many forks as stars, opentabs 10%. Lightpanda was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-automation), 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
| Lightpanda | opentabs | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 967 |
| License | AGPL-3.0 | MIT |
| Written in | Zig | TypeScript |
| Last push | 2026-10-05 | 2026-10-03 |
| Forks | ⑂ 1.7K | ⑂ 96 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Lightpanda if
- You weight community size — 36K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Zig
- You value the larger contributor base for long-term maintenance
pick opentabs if
- You want the opentabs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and opentabs fits your workflow better
About Lightpanda
Lightpanda is a headless browser built from scratch in Zig, designed specifically for AI agents and automation tasks. It is not a fork of Chromium or WebKit but a new implementation targeting performance and efficiency in automated web interactions. It lives in the browser automation ecosystem, competing with tools like Puppeteer and Playwright that typically rely on Chromium based headless modes.
read the full Lightpanda overview →
About opentabs
OpenTabs is an open source TypeScript tool that lets an AI agent call real web APIs through your authenticated browser session instead of driving a headless browser, for developers using MCP capable AI clients such as Claude Code or OpenCode.
read the full opentabs overview →
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Frequently asked questions
Is Lightpanda or opentabs more popular?
Lightpanda has 35,996 GitHub stars and opentabs has 967. Lightpanda has the larger community by that measure.
Are Lightpanda and opentabs free?
Both are open source. Lightpanda is licensed under AGPL-3.0 and opentabs under MIT. Neither carries a licence fee.
What is the difference between Lightpanda and opentabs?
Lightpanda is written in Zig and opentabs 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, Lightpanda or opentabs?
Choose Lightpanda if you want the larger community (35,996 stars) or its AGPL-3.0 licence terms. Choose opentabs if its feature set, stack or MIT licence fits better. Both are self-hostable.