head to head · open source
Lightpanda vs changedetection.io
Lightpanda has 35,452 GitHub stars, 1,684 forks, 98 open issues and last shipped today. changedetection.io has 34,376 stars, 2,070 forks, 385 open issues and last shipped yesterday. Lightpanda leads on adoption by 3% (35,452 vs 34,376 stars). Lightpanda is written in Zig under AGPL-3.0; changedetection.io is written in Python under Apache-2.0. Lightpanda has attracted 5% as many forks as stars, changedetection.io 6%. 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.
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Side by side
| Lightpanda | changedetection.io | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 34K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Zig | Python |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 1.7K | ⑂ 2.1K |
| 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 changedetection.io if
- You want the changedetection.io feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and changedetection.io 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 changedetection.io
changedetection.io is an open source website change detection and web page monitoring tool written in Python and released under the Apache 2.0 license. It watches URLs, detects when their content changes, and sends alerts through channels such as Discord, Email, Slack, Telegram, and Webhook. The project lives in the Data & Analytics / Data Extraction & Web Scraping ecosystem, carries more than 34,000 stars and 2,000 forks on GitHub, and has been developed for roughly six years. It is designed to be self hosted, and the same codebase also backs a hosted subscription service offered by the maintainers.…
read the full changedetection.io overview →
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Frequently asked questions
Is Lightpanda or changedetection.io more popular?
Lightpanda has 35,452 GitHub stars and changedetection.io has 34,376. Lightpanda has the larger community by that measure.
Are Lightpanda and changedetection.io free?
Both are open source. Lightpanda is licensed under AGPL-3.0 and changedetection.io under Apache-2.0. Neither carries a licence fee.
What is the difference between Lightpanda and changedetection.io?
Lightpanda is written in Zig and changedetection.io 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 changedetection.io?
Choose Lightpanda if you want the larger community (35,452 stars) or its AGPL-3.0 licence terms. Choose changedetection.io if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.