head to head · open source
uBlock vs NiceTab
uBlock has 67,937 GitHub stars, 4,354 forks, 15 open issues and last shipped 2 days ago. NiceTab has 755 stars, 85 forks, 45 open issues and last shipped 6 days ago. uBlock leads on adoption by 8,898% (67,937 vs 755 stars). uBlock is written in JavaScript under GPL-3.0; NiceTab is written in TypeScript under GPL-3.0. uBlock has attracted 6% as many forks as stars, NiceTab 11%. 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 | NiceTab | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 755 |
| License | GPL-3.0 | GPL-3.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-13 |
| Forks | ⑂ 4.4K | ⑂ 85 |
| 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 NiceTab if
- You want the NiceTab feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and NiceTab 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 NiceTab
NiceTab is an open source (GPL 3.0), TypeScript browser extension for Chrome, Firefox, Microsoft Edge, and other Chromium based browsers that turns scattered open tabs into a searchable, syncable library of saved tabs, tab groups, and categories — built for anyone who keeps too many tabs open and wants a free, transparent alternative to OneTab, Toby, SessionBuddy, N Tab, and KepTab.
read the full NiceTab overview →
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Frequently asked questions
Is uBlock or NiceTab more popular?
uBlock has 67,937 GitHub stars and NiceTab has 755. uBlock has the larger community by that measure.
Are uBlock and NiceTab free?
Both are open source. uBlock is licensed under GPL-3.0 and NiceTab under GPL-3.0. Neither carries a licence fee.
What is the difference between uBlock and NiceTab?
uBlock is written in JavaScript and NiceTab 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 NiceTab?
Choose uBlock if you want the larger community (67,937 stars) or its GPL-3.0 licence terms. Choose NiceTab if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.