head to head · open source
CloakBrowser vs OpenSERP
CloakBrowser has 32,693 GitHub stars, 2,719 forks, 164 open issues and last shipped 2 days ago. OpenSERP has 1,544 stars, 184 forks, 20 open issues and last shipped 6 days ago. CloakBrowser leads on adoption by 2,017% (32,693 vs 1,544 stars). CloakBrowser is written in Python under MIT; OpenSERP is written in Go under MIT. CloakBrowser has attracted 8% as many forks as stars, OpenSERP 12%. CloakBrowser was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, headless-browser), 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
| CloakBrowser | OpenSERP | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.5K |
| License | MIT | MIT |
| Written in | Python | Go |
| Last push | 2026-11-01 | 2026-10-28 |
| Forks | ⑂ 2.7K | ⑂ 184 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CloakBrowser if
- You weight community size — 33K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick OpenSERP if
- You want the OpenSERP feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and OpenSERP fits your workflow better
About CloakBrowser
Stealth Chromium that passes every bot detection test. Not a patched config. Not a JS injection. A real Chromium binary with fingerprints modified at the C++ source level. Antibot systems score it as a normal browser — because it is a normal browser. Cloudflare Turnstile — 3 live tests passing (headed mode, macOS) Drop in Playwright/Puppeteer replacement for Python and JavaScript. Same API, same code — just swap the import. 3 lines of code, 30 seconds to unblock. 87 source level C++ patches — canvas, WebGL, audio, fonts, GPU, screen, WebRTC, network timing, automation signals, CDP input behavior humanize=True —…
read the full CloakBrowser overview →
About OpenSERP
OpenSERP OpenSERP is a free, open source SERP API and CLI for Google, Yandex, Baidu, Bing, DuckDuckGo, and Ecosia. No API keys, no per search billing: one command gives you live, structured search results on localhost including engines the paid APIs don't cover. Use it as a search tool for LLMs and agents, or as a backend for SEO rank tracking. If you'd rather not run infrastructure, there is a hosted version with the same API. Features Dedicated endpoints for six engines, same JSON schema across all of them Megasearch one query across several engines at once, merged and deduped URL extraction search results…
read the full OpenSERP overview →
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Frequently asked questions
Is CloakBrowser or OpenSERP more popular?
CloakBrowser has 32,693 GitHub stars and OpenSERP has 1,544. CloakBrowser has the larger community by that measure.
Are CloakBrowser and OpenSERP free?
Both are open source. CloakBrowser is licensed under MIT and OpenSERP under MIT. Neither carries a licence fee.
What is the difference between CloakBrowser and OpenSERP?
CloakBrowser is written in Python and OpenSERP in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, CloakBrowser or OpenSERP?
Choose CloakBrowser if you want the larger community (32,693 stars) or its MIT licence terms. Choose OpenSERP if its feature set, stack or MIT licence fits better. Both are self-hostable.