head to head · open source
Lightpanda vs second-brain
Lightpanda has 35,418 GitHub stars, 1,681 forks, 98 open issues and last shipped today. second-brain has 641 stars, 77 forks, 1 open issues and last shipped today. Lightpanda leads on adoption by 5,425% (35,418 vs 641 stars). Lightpanda is written in Zig under AGPL-3.0; second-brain is written in Python under MIT. Lightpanda has attracted 5% as many forks as stars, second-brain 12%. Lightpanda 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.
← all 8884 open source comparisons
Side by side
| Lightpanda | second-brain | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 641 |
| License | AGPL-3.0 | MIT |
| Written in | Zig | Python |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 1.7K | ⑂ 77 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Lightpanda if
- You weight community size — 35K 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 second-brain if
- You want the second-brain feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and second-brain 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 second-brain
Quick install Sponsor Atlas Cloud is a full modal AI inference platform that gives developers a single AI API to access video generation, image generation, and LLM APIs. Instead of managing multiple vendor integrations, you connect once and get unified access to 300+ curated models across all modalities. Check out Atlas Cloud's new coding plan promotion for more budget friendly API access: Second Brain Example For an example of what Second Brain can do, visit It's an interactive art exhibition. Head to Head Evaluation Second Brain performs higher than OpenClaw and Hermes on harness bench, which measures "model ha…
read the full second-brain overview →
More in Productivity & Utilities
Related comparisons
More Automation projects
Compare either of these against the rest of the Automation field.
Frequently asked questions
Is Lightpanda or second-brain more popular?
Lightpanda has 35,418 GitHub stars and second-brain has 641. Lightpanda has the larger community by that measure.
Are Lightpanda and second-brain free?
Both are open source. Lightpanda is licensed under AGPL-3.0 and second-brain under MIT. Neither carries a licence fee.
What is the difference between Lightpanda and second-brain?
Lightpanda is written in Zig and second-brain in Python. 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 second-brain?
Choose Lightpanda if you want the larger community (35,418 stars) or its AGPL-3.0 licence terms. Choose second-brain if its feature set, stack or MIT licence fits better. Both are self-hostable.