head to head · open source
uBlock vs kysely
uBlock has 67,923 GitHub stars, 4,353 forks, 15 open issues and last shipped yesterday. kysely has 14,233 stars, 444 forks, 173 open issues and last shipped yesterday. uBlock leads on adoption by 377% (67,923 vs 14,233 stars). uBlock is written in JavaScript under GPL-3.0; kysely is written in TypeScript under MIT. uBlock has attracted 6% as many forks as stars, kysely 3%. uBlock 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
| uBlock | kysely | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 14K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.4K | ⑂ 444 |
| 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 kysely if
- You want the kysely feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and kysely 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 kysely
Kysely is a type safe TypeScript SQL query builder for Node.js, Deno, Bun, and the browser. It provides a fluent API to construct and execute type safe SQL queries, preventing runtime errors from invalid column names or incorrect data types. The core problem it solves is eliminating the fragility of raw SQL strings and the lack of type safety in many ORMs within the TypeScript ecosystem.
read the full kysely overview →
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Frequently asked questions
Is uBlock or kysely more popular?
uBlock has 67,923 GitHub stars and kysely has 14,233. uBlock has the larger community by that measure.
Are uBlock and kysely free?
Both are open source. uBlock is licensed under GPL-3.0 and kysely under MIT. Neither carries a licence fee.
What is the difference between uBlock and kysely?
uBlock is written in JavaScript and kysely 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 kysely?
Choose uBlock if you want the larger community (67,923 stars) or its GPL-3.0 licence terms. Choose kysely if its feature set, stack or MIT licence fits better. Both are self-hostable.