The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

SEOnaut is described as 'Open source SEO auditing tool that checks your website for any issues that might be affecting your search engine rankings. It crawls your site and gives you a report with a list of any problems it finds, organised by how important they are to fix' and is a SEO tool in the business & commerce category. There are more than 10 alternatives to SEOnaut for a variety of platforms, including Windows, Web-based, Mac, Linux and SaaS apps. The best SEOnaut alternative is Screaming Frog SEO Spider. It's not free, so if you're looking for a free alternative, you could try Xenu's Link Sleuth or SEO Tracer. Other great apps like SEOnaut are Netpeak Spider, KWT Spider, LibreCrawl and Beam Us Up Crawler.
The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

Xenus Link Sleuth checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets.

Boost your site's SEO with SEO Tracer! Crawl fast, find broken links, analyze meta tags, and optimize. Free, private and secure.




Netpeak Spider is an SEO crawler for a day-to-day SEO audit, fast issue check, comprehensive analysis, and website scraping.




KWT Spider is a desktop-based website crawler and SEO analysis tool created to help users understand how their websites perform in search engines and modern AI-powered search platforms. It provides clear, reliable insights that make it easier to detect problems and improve site quality.

Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees.

Discover broken links, uncover missing page titles, duplicate content and identify other problems with our SEO crawler software.

Automated SEO platform providing comprehensive site auditing, on-page and technical optimization checks, keyword rank and SERP tracking, backlink profile analysis, competitor benchmarking, duplicate content detection, and actionable recommendations for all site sizes.




Pulno is a website audit tool which checks for SEO related issues and sends comprehensible tips to improve on-page SEO with page speed optimizer (CSS and image file optimization), meta tags and unique text analyzer.




SiteAnalyzer is a Web Crawler to scan the websites and check their technical and of SEO-parameters for errors and correct them effectively.




A web-based crawler with real-time crawl feedback.
Advanced, fast & flexible SEO website crawler that can help identify technical or architectural issues with any site.
LBSeoCrawler is a simple, affordable SEO crawler that audits websites, finds issues, and exports reports — with a lifetime license.



