head to head · open source
uBlock vs kysely
uBlock has 69,033 GitHub stars, 4,427 forks, 15 open issues and last shipped yesterday. kysely has 14,327 stars, 456 forks, 173 open issues and last shipped yesterday. uBlock leads on adoption by 382% (69,033 vs 14,327 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 | ★ 69K | ★ 14K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.4K | ⑂ 456 |
| 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 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
[![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 kysely
Join the discussion ⠀⠀⠀⠀⠀⠀⠀ Get started & more! Kysely Kysely (pronounce “Key Seh Lee”) is a type safe and autocompletion friendly TypeScript SQL query builder. Inspired by Knex.js. Mainly developed for Node.js but also runs on all other JavaScript environments like Deno, Bun, Cloudflare Workers and web browsers. Kysely makes sure you only refer to tables and columns that are visible to the part of the query you're writing. The result type only has the selected columns with correct types and aliases. As an added bonus you get autocompletion for all that stuff. As shown in the gif above, through the pure magic of…
read the full kysely overview →
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Frequently asked questions
Is uBlock or kysely more popular?
uBlock has 69,033 GitHub stars and kysely has 14,327. 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 (69,033 stars) or its GPL-3.0 licence terms. Choose kysely if its feature set, stack or MIT licence fits better. Both are self-hostable.