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SEOly alternatives · SEO Plugins

Open-source alternatives to SEOly

SEOly is not described as open source on its own site. 12 of the 78 other SEO plugins and apps in this directory are open source, according to their own sites.

SEOly has a free plan. Paid plans start at $15 per month for 30 keywords, same rate monthly or yearly. All of them are free or have a free plan.

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

How each one differs from SEOly

  1. AI SEO Copilot

    Free, open-source on-page SEO checker inside the Webflow Designer

    • AI SEO Copilot is free. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • AI SEO Copilot is open source, according to its own site.
    • AI SEO Copilot also covers schema markup.
    • SEOly also covers keyword research and rank tracking.
    AI SEO Copilot pricing and details

  2. Redirection

    Free WordPress plugin for managing 301 redirects and 404 errors

    • Redirection is free. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • Redirection is open source, according to its own site.
    • SEOly also covers keyword research, rank tracking and content optimization.
    Redirection pricing and details

  3. Schema & Structured Data for WP & AMP

    WordPress schema plugin with 35+ types and AMP support

    • Schema & Structured Data for WP & AMP starts at $99 per year for 1 site. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • Schema & Structured Data for WP & AMP is open source, according to its own site.
    • Schema & Structured Data for WP & AMP can be bought with a one-time purchase.
    • Schema & Structured Data for WP & AMP also covers schema markup.
    Schema & Structured Data for WP & AMP pricing and details

  4. WPSSO Core

    WordPress plugin for Schema markup and social sharing meta tags

    • WPSSO Core starts at $49 one-time for a lifetime license on 1 site. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • WPSSO Core is open source, according to its own site.
    • WPSSO Core also covers schema markup.
    • SEOly also covers keyword research, rank tracking and content optimization.
    WPSSO Core pricing and details

  5. Site Kit by Google

    Google's free WordPress plugin for Search Console and Analytics stats

    • Site Kit by Google is free. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • Site Kit by Google is open source, according to its own site.
    • Site Kit by Google also covers reports, web analytics and page speed.
    • SEOly also covers keyword research, rank tracking and content optimization.
    Site Kit by Google pricing and details

  6. XML Sitemap Generator for Google

    Free WordPress plugin that builds and updates XML and HTML sitemaps

    • XML Sitemap Generator for Google is free. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • XML Sitemap Generator for Google is open source, according to its own site.
    • SEOly also covers keyword research, rank tracking and content optimization.
    XML Sitemap Generator for Google pricing and details

  7. 301 Redirects - Redirect Manager

    WordPress plugin for 301, 302 and 307 redirects with a 404 error log

    • 301 Redirects - Redirect Manager starts at $9.99 per month, or $49 one-time for a 1-site lifetime license. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • 301 Redirects - Redirect Manager is open source, according to its own site.
    • 301 Redirects - Redirect Manager can be bought with a one-time purchase.
    • 301 Redirects - Redirect Manager also covers reports.
    301 Redirects - Redirect Manager pricing and details

  8. Media File Renamer

    WordPress plugin that renames media files to descriptive names

    • Media File Renamer starts at $39 per year for 1 website. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • Media File Renamer is open source, according to its own site.
    • Media File Renamer can be bought with a one-time purchase.
    • SEOly also covers keyword research, rank tracking and content optimization.
    Media File Renamer pricing and details

  9. 404 to 301

    Free WordPress redirect manager with detailed 404 error logs

    • 404 to 301 is free. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • 404 to 301 is open source, according to its own site.
    • 404 to 301 also covers reports.
    • SEOly also covers keyword research, rank tracking and content optimization.
    404 to 301 pricing and details

  10. Schema - All In One Schema Rich Snippets

    Free WordPress plugin for adding schema to posts one at a time

    • Schema - All In One Schema Rich Snippets is free. SEOly starts at $15 per month for 30 keywords, same rate monthly or yearly.
    • Schema - All In One Schema Rich Snippets is open source, according to its own site.
    • Schema - All In One Schema Rich Snippets also covers schema markup.
    • SEOly also covers keyword research, rank tracking and content optimization.
    Schema - All In One Schema Rich Snippets pricing and details

Common questions

Is there an open-source alternative to SEOly?

Yes. AI SEO Copilot, Redirection, Schema & Structured Data for WP & AMP, WPSSO Core, Site Kit by Google, XML Sitemap Generator for Google, 301 Redirects - Redirect Manager, Permalink Manager and 4 more are open source, according to their own sites.

Is SEOly open source?

SEOly is not described as open source on its own site. The listing was checked on Oct 23, 2026 against the pages it cites.

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 SEOly: the alternatives its listing names first, then the tools that share the most features with it.