Skip to content
ToolGPA

Schema.dev alternatives · Technical SEO

Schema.dev alternatives with a Linux app

The Schema.dev listing does not include a Linux app. 7 of the 83 other technical SEO tools in this directory list a Linux app.

Schema.dev is free to use. All of them are free or have a free plan.

7 tools · Listings checked up to Oct 23, 2026 · Where the facts come from

How each one differs from Schema.dev

  1. Beam Us Up

    Free desktop SEO crawler for Windows, Mac and Linux

    • Beam Us Up is free. Schema.dev is free.
    • Only Beam Us Up lists Windows, macOS and Linux apps.
    • Only Schema.dev lists a browser extension.
    • Beam Us Up also covers site audit and page speed.
    Beam Us Up pricing and details

  2. sitespeed.io

    Free open-source toolkit for testing and monitoring web performance

    • sitespeed.io is free. Schema.dev is free.
    • Only sitespeed.io lists macOS, Windows and Linux apps.
    • Only Schema.dev lists a browser extension.
    • sitespeed.io is open source and self-hostable, according to its own site.
    sitespeed.io pricing and details

  3. Unlighthouse

    Free open-source tool that runs Lighthouse on every page of a site

    • Unlighthouse is free. Schema.dev is free.
    • Only Unlighthouse lists macOS, Windows and Linux apps.
    • Only Schema.dev lists a browser extension.
    • Unlighthouse is open source, according to its own site.
    Unlighthouse pricing and details

  4. Yellow Lab Tools

    Free open-source audit of a page's speed and front-end code

    • Yellow Lab Tools is free. Schema.dev is free.
    • Only Yellow Lab Tools lists a web app.
    • Only Yellow Lab Tools lists macOS and Linux apps.
    • Only Schema.dev lists a browser extension.
    Yellow Lab Tools pricing and details

  5. SiteOne Crawler

    Free open-source site crawler and audit report, as an app or CLI

    • SiteOne Crawler is free. Schema.dev is free.
    • Only SiteOne Crawler lists macOS, Windows and Linux apps.
    • Only Schema.dev lists a browser extension.
    • SiteOne Crawler is open source, according to its own site.
    SiteOne Crawler pricing and details

  6. LibreCrawl

    Free open-source SEO crawler you run in your own browser

    • LibreCrawl is free. Schema.dev is free.
    • Only LibreCrawl lists a web app.
    • Only LibreCrawl lists Windows, macOS and Linux apps.
    • Only Schema.dev lists a browser extension.
    LibreCrawl pricing and details

  7. squirrelscan

    Open-source site audit CLI whose fixes are written for coding agents

    • squirrelscan starts at $19 per month, billed monthly. Schema.dev is free.
    • Only squirrelscan lists a web app.
    • Only squirrelscan lists macOS, Windows and Linux apps.
    • Only Schema.dev lists a browser extension.
    squirrelscan pricing and details

Common questions

Which Schema.dev alternatives have a Linux app?

Beam Us Up, sitespeed.io, Unlighthouse, Yellow Lab Tools, SiteOne Crawler, LibreCrawl and squirrelscan list a Linux app.

Does Schema.dev have a Linux app?

The Schema.dev listing does not include a Linux app. It lists Browser extension.

When was this checked?

Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Schema.dev: the alternatives its listing names first, then the tools that share the most features with it.