head to head · open source
uBlock vs hermes-browser-extension
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. hermes-browser-extension has 1,768 stars, 169 forks, 15 open issues and last shipped yesterday. uBlock leads on adoption by 3,805% (69,033 vs 1,768 stars). uBlock is written in JavaScript under GPL-3.0; hermes-browser-extension is written in JavaScript under MIT. uBlock has attracted 6% as many forks as stars, hermes-browser-extension 10%. uBlock was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-extension), 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
| uBlock | hermes-browser-extension | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 1.8K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.4K | ⑂ 169 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uBlock if
- You weight community size — 69K 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 hermes-browser-extension if
- You want the hermes-browser-extension feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and hermes-browser-extension fits your workflow better
About uBlock
[![Badge Commits]][Commit Rate] [![Badge Issues]][Issues] [![Badge Localization]][Crowdin] [![Badge License]][License] [![Badge NPM]][NPM] [![Badge Mozilla]][Mozilla] ![Badge Chrome] [![Badge Edge]][Edge] uBlock Origin (uBO) GitHub Releases Stable and development versions on Firefox, Chromium MV2, and Thunderbird. Must be placed manually into web browsers; the Chromium and Thunderbird versions usually won't auto update. Related: uBlock Origin Lite uBlock Origin (uBO) is a CPU and memory efficient [wide spectrum content blocker][Blocking] for Chromium and Firefox. It blocks ads, trackers, coin miners, popups…
read the full uBlock overview →
About hermes-browser-extension
Hermes Browser Extension Browser native side panel for Hermes Agent — connect active web context through a local gateway, Hermes Cloud, or a self hosted remote gateway. Created by Jon Komet ( @abundantbeing ). Community extension for Hermes Agent by Nous Research. Public v0.3.2 · Load unpacked · Local / Hermes Cloud / Remote · Full Hermes runtime tools Not on the Chrome Web Store yet. What it is Hermes Browser Extension is not a browser chatbot. It is a Chrome/Edge/Chromium side panel for the real Hermes Agent runtime. Choose a local gateway, attach to a signed in Hermes Cloud agent tab, or connect to a self…
read the full hermes-browser-extension overview →
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Frequently asked questions
Is uBlock or hermes-browser-extension more popular?
uBlock has 69,033 GitHub stars and hermes-browser-extension has 1,768. uBlock has the larger community by that measure.
Are uBlock and hermes-browser-extension free?
Both are open source. uBlock is licensed under GPL-3.0 and hermes-browser-extension under MIT. Neither carries a licence fee.
What is the difference between uBlock and hermes-browser-extension?
uBlock is written in JavaScript and hermes-browser-extension in JavaScript. 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 hermes-browser-extension?
Choose uBlock if you want the larger community (69,033 stars) or its GPL-3.0 licence terms. Choose hermes-browser-extension if its feature set, stack or MIT licence fits better. Both are self-hostable.