0xCUB3

    0xCUB3/wBlock

    Free, open-source Safari ad blocker for macOS, iOS, iPadOS and visionOS. Up to 750,000 rules, custom filter lists, userscripts and userstyles. No subscription.

    web
    ad-blocker
    adblock
    adblocker
    adguard
    content-blocker
    Swift
    GPL-3.0
    3.2K stars
    68 forks
    3.2K GitHub watchers
    Updated Nov 1, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    5 releases in the last 90 days, the latest 1 day ago, with 22 contributors on GitHub.

    Gained 99% more stars in the last 90 days than in the 90 days before.

    Use Cases & Benefits

    • Provides a next-generation Safari ad blocker for macOS, iOS, iPadOS, and visionOS using declarative content blocking rules and extensive filter lists.
    • Delivers high performance with 750,000 rules across multiple extensions, minimal memory usage, and efficient filter updates via Protocol Buffers and LZ4 compression.
    • Use for blocking ads, trackers, and unwanted scripts on Safari across Apple devices with customizable filter lists and per-site controls.
    • Use for running userscripts with Greasemonkey API support to customize web page behavior within Safari extensions on iOS and macOS.
    • Use for manual element removal on macOS using the element zapper that generates persistent CSS selectors for cosmetic filtering.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    GPL 3.0

    Copyleft: distributing software that includes it generally requires releasing your source under the same license.

    Community files

    • README: present

    Watch-outs

    • GPL-style copyleft: including it in distributed software generally requires releasing your source under the same license.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    The end of Safari ad-blocking B.S.

    A Safari content blocker for macOS, iOS, and iPadOS utilizing declarative content blocking rules.

    Supports 750,000 rules across 5 extensions with Protocol Buffer storage and LZ4 compression.

    Excerpt from the 0xCUB3/wBlock README on GitHub (GPL-3.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    68+17

    Open issues

    2+2

    Compared with peers in Web

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

    0xCUB3/wBlock compared with Web repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
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    pbakaus/impeccable104.0K+8.7K5410 days ago
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    Renhuai123/ziwei-doushu16.2K+6.1K4421 days ago
    paperclipai/paperclip111.5K+2.8K5913 days ago
    0xCUB3/wBlock3.2K—551 day ago
    Category median48.4K+6.2K44—

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