head to head · open source
uBlock vs parchi
uBlock has 67,937 GitHub stars, 4,354 forks, 15 open issues and last shipped 2 days ago. parchi has 546 stars, 54 forks, 11 open issues and last shipped 2 days ago. uBlock leads on adoption by 12,343% (67,937 vs 546 stars). uBlock is written in JavaScript under GPL-3.0; parchi is written in TypeScript under MIT. uBlock has attracted 6% as many forks as stars, parchi 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 | parchi | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 546 |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.4K | ⑂ 54 |
| 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 parchi if
- You want the parchi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and parchi 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 parchi
Parchi is a free, MIT licensed AI browser copilot — a Chrome MV3 and Firefox 109+ extension written in TypeScript that puts chat driven browser automation in a side panel, built for people who want to navigate, read, click, type, extract, and summarize pages under their own model configuration.
read the full parchi overview →
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Frequently asked questions
Is uBlock or parchi more popular?
uBlock has 67,937 GitHub stars and parchi has 546. uBlock has the larger community by that measure.
Are uBlock and parchi free?
Both are open source. uBlock is licensed under GPL-3.0 and parchi under MIT. Neither carries a licence fee.
What is the difference between uBlock and parchi?
uBlock is written in JavaScript and parchi 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 parchi?
Choose uBlock if you want the larger community (67,937 stars) or its GPL-3.0 licence terms. Choose parchi if its feature set, stack or MIT licence fits better. Both are self-hostable.