head to head · open source
Zen Browser vs ublacklist
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. ublacklist has 6,674 stars, 349 forks, 2 open issues and last shipped 3 days ago. Zen Browser leads on adoption by 582% (45,517 vs 6,674 stars). Zen Browser is written in C++ under MPL-2.0; ublacklist is written in TypeScript under MIT. Zen Browser has attracted 4% as many forks as stars, ublacklist 5%. Zen Browser 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
| Zen Browser | ublacklist | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 6.7K |
| License | MPL-2.0 | MIT |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 1.9K | ⑂ 349 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zen Browser if
- You weight community size — 46K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick ublacklist if
- You want the ublacklist feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and ublacklist fits your workflow better
About Zen Browser
Zen Browser Zen is a firefox based browser with the aim of pushing your productivity to a new level! Download • Website • Documentation • Release Notes Firefox Versions Release Is currently built using Firefox version 155.0.1 ! Twilight Is currently built using Firefox version RC 155.0.1 ! Contributing If you'd like to report a bug, please do so on our GitHub Issues page and for feature requests, you can use GitHub Discussions. Zen is an open source project, and we welcome contributions from the community! Please take a look at the contribution guidelines before getting started! Partners Thanks to all the…
read the full Zen Browser overview →
About ublacklist
uBlacklist English Deutsch 简体中文 Blocks specific sites from appearing in Google search results Chrome : Chrome Web Store Firefox : Firefox Add ons Edge : Edge Add ons Safari : App Store (macOS and iOS, thanks to Group Leafy) Description This extension prevents the sites you specify from appearing in Google search results. You can add rules on search result pages, or on sites to be blocked by clicking the toolbar icon. Rules can be specified either by match patterns (e.g. :// .example.com/ ) or by expressions including regular expressions, variables and string matchers (e.g. /example\.(net org)/ , path ="example"i…
read the full ublacklist overview →
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Frequently asked questions
Is Zen Browser or ublacklist more popular?
Zen Browser has 45,517 GitHub stars and ublacklist has 6,674. Zen Browser has the larger community by that measure.
Are Zen Browser and ublacklist free?
Both are open source. Zen Browser is licensed under MPL-2.0 and ublacklist under MIT. Neither carries a licence fee.
What is the difference between Zen Browser and ublacklist?
Zen Browser is written in C++ and ublacklist 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, Zen Browser or ublacklist?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose ublacklist if its feature set, stack or MIT licence fits better. Both are self-hostable.