head to head · open source
uBlock vs hermes-browser-extension
uBlock has 67,937 GitHub stars, 4,354 forks, 15 open issues and last shipped yesterday. hermes-browser-extension has 1,540 stars, 145 forks, 15 open issues and last shipped 2 days ago. uBlock leads on adoption by 4,311% (67,937 vs 1,540 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 9%. 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 | ★ 68K | ★ 1.5K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 4.4K | ⑂ 145 |
| 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 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
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 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 host…
read the full hermes-browser-extension overview →
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Frequently asked questions
Is uBlock or hermes-browser-extension more popular?
uBlock has 67,937 GitHub stars and hermes-browser-extension has 1,540. 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 (67,937 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.