Greenflare SEO Spider — #5 Alternative to SEMrush / Ahrefs
Cross-platform GPL-3.0 desktop SEO crawler with custom XPath & regex extraction
Lightweight Python/SQLite Screaming-Frog-style desktop spider handling millions of URLs on disk without exhausting system RAM.
License: GPL-3.0 · Pricing: Free & Open Source · Compare all SEMrush / Ahrefs alternatives · Official Website