head to head · open source
uBlock vs Browser Operator
uBlock has 67,923 GitHub stars, 4,353 forks, 15 open issues and last shipped yesterday. Browser Operator has 508 stars, 83 forks, 15 open issues and last shipped 6 months ago. uBlock leads on adoption by 13,271% (67,923 vs 508 stars). uBlock is written in JavaScript under GPL-3.0; Browser Operator is written in TypeScript under BSD-3-Clause. uBlock has attracted 6% as many forks as stars, Browser Operator 16%. uBlock 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
| uBlock | Browser Operator | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 508 |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-03-19 |
| Forks | ⑂ 4.4K | ⑂ 83 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 68K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Browser Operator if
- You want the Browser Operator feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches TypeScript
- You evaluated both and Browser Operator fits your workflow better
About uBlock
uBlock Origin is a CPU and memory efficient, wide spectrum content blocker for Chromium and Firefox, aimed at anyone who wants ads, trackers, coin miners, popups, anti blockers and malware sites neutralised by default without hand tuning anything.
read the full uBlock overview →
About Browser Operator
Browser Operator is an open source, privacy focused AI browser with a built in multi agent platform, aimed at anyone who wants to run research, analysis and web automation locally on macOS or Windows rather than inside a hosted AI browser.
read the full Browser Operator overview →
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Frequently asked questions
Is uBlock or Browser Operator more popular?
uBlock has 67,923 GitHub stars and Browser Operator has 508. uBlock has the larger community by that measure.
Are uBlock and Browser Operator free?
Both are open source. uBlock is licensed under GPL-3.0 and Browser Operator under BSD-3-Clause. Neither carries a licence fee.
What is the difference between uBlock and Browser Operator?
uBlock is written in JavaScript and Browser Operator 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, uBlock or Browser Operator?
Choose uBlock if you want the larger community (67,923 stars) or its GPL-3.0 licence terms. Choose Browser Operator if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.