head to head · open source
colly vs Skyvern
colly has 25,527 GitHub stars, 1,862 forks, 195 open issues and last shipped 4 days ago. Skyvern has 23,039 stars, 2,167 forks, 234 open issues and last shipped today. colly leads on adoption by 11% (25,527 vs 23,039 stars). colly is written in Go under Apache-2.0; Skyvern is written in Python under AGPL-3.0. colly has attracted 7% as many forks as stars, Skyvern 9%. Skyvern 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
| colly | Skyvern | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 23K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Python |
| Last push | 2026-09-16 | 2026-09-20 |
| Forks | ⑂ 1.9K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick colly if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Skyvern if
- You want the Skyvern feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Skyvern fits your workflow better
About colly
Colly is an open source scraping and crawling framework written in Go, distributed under the Apache 2.0 license. It lives in the Go ecosystem and is consumed as a library rather than a standalone application: the README describes it as providing a clean interface for writing any kind of crawler, scraper, or spider, and the project's own topics list it as a crawler, crawling framework, scraper, scraping tool, and spider. The repository has been public for roughly nine years, carries 25,516 stars and 1,862 forks, and its most recent push was on 2 September 2026. Documentation and examples are hosted at go colly.org…
read the full colly overview →
About Skyvern
Skyvern is an open source Python project for automating browser based workflows with LLMs and computer vision. It lives in the browser automation and AI agent ecosystem, and it provides a Playwright compatible SDK that adds AI functionality on top of Playwright. The project also includes a no code workflow builder, so technical users can work through code while non technical users can define tasks through the interface.
read the full Skyvern overview →
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Frequently asked questions
Is colly or Skyvern more popular?
colly has 25,527 GitHub stars and Skyvern has 23,039. colly has the larger community by that measure.
Are colly and Skyvern free?
Both are open source. colly is licensed under Apache-2.0 and Skyvern under AGPL-3.0. Neither carries a licence fee.
What is the difference between colly and Skyvern?
colly is written in Go and Skyvern 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, colly or Skyvern?
Choose colly if you want the larger community (25,527 stars) or its Apache-2.0 licence terms. Choose Skyvern if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.