Alternatives · Technical SEO
SEOnaut alternatives
As of Oct 24, 2026, the best SEOnaut alternative for most people is SiteOne Crawler (3.0 GPA), second in our ranking of technical SEO tools. It's also the best free one.
SEOnaut compared with 5 alternatives: Screaming Frog SEO Spider, SiteOne Crawler, Sitebulb, LibreCrawl and SiteGuru.
SEOnaut has a free plan. Paid plans start at $9 per month, billed monthly. 4 of the 5 alternatives are free or have a free plan. One more offers a free trial.
Listings checked up to Oct 23, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| SEOnautThis tool | Free plan · from $9/mo | Yes | Web |
| Screaming Frog SEO Spider | Free plan · from $279/yr | Yes | macOS, Windows, Linux |
| SiteOne Crawler | Free | Free | macOS, Windows, Linux |
| Sitebulb | Free trial · from $18/mo | Trial only | Web, macOS, Windows |
| LibreCrawl | Free | Free | Web, macOS, Windows, Linux |
| SiteGuru | Free plan · from $39/mo | Yes | Web |
Price against what you get
SEOnaut starts at $9 a month and scores 2.0 out of 4 on features, ease of use and platforms. 1 of the 3 alternatives on this chart scores higher and starts lower: SiteOne Crawler.
SiteGuru scores higher without starting lower. LibreCrawl starts lower without scoring higher.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from SEOnaut
Screaming Frog SEO Spider
Desktop website crawler for technical SEO audits
- Screaming Frog SEO Spider starts at $279 per user / year.
- Screaming Frog SEO Spider also lists Windows, macOS and Linux apps.
- Screaming Frog SEO Spider lists no web app, which SEOnaut has.
- Screaming Frog SEO Spider also covers reports.
Suits: Technical SEOs auditing large sites from their own computer
SiteOne Crawler
Free open-source site crawler and audit report, as an app or CLI
- SiteOne Crawler is free.
- SiteOne Crawler also lists macOS, Windows and Linux apps.
- SiteOne Crawler lists no web app, which SEOnaut has.
Suits: Developers and QA engineers auditing a whole site at no cost
Sitebulb
Website auditing crawler for Windows and Mac, with a cloud edition
- Sitebulb starts at $18 per month, billed monthly.
- Sitebulb has no free plan, only a free trial, unlike SEOnaut.
- Sitebulb also lists Windows and macOS apps.
- Sitebulb also covers reports.
Suits: SEO consultants and agencies who want audits explained for clients
LibreCrawl
Free open-source SEO crawler you run in your own browser
- LibreCrawl is free.
- LibreCrawl also lists Windows, macOS and Linux apps.
Suits: SEOs who want a crawler with no URL limit and no licence fee
SiteGuru
SEO audit tool that turns site crawls into a prioritized task list
- SiteGuru starts at $39 per month for 5 websites, billed annually ($49 billed monthly).
- SiteGuru also covers reports, backlink analysis, schema markup, internal linking and page speed.
Suits: Small agencies that want to deliver SEO audits to clients under their own brand
Limits worth knowing in SEOnaut
- The hosted Growth plan stops at 5 projects and 10,000 URLs each; larger needs are handled by emailing the developer.
- Self-hosting needs Docker or Go plus a MySQL database, and the project recommends adding HTTPS through a reverse proxy.
- Support is by email for the hosted service and through GitHub Issues for self-hosted copies; there is no forum.
- Of the hosted plans, only the paid Growth plan lists recurring audits; Lite crawls run on demand.
Common questions
What are the alternatives to SEOnaut?
The alternatives to SEOnaut in this directory are Screaming Frog SEO Spider, SiteOne Crawler, Sitebulb, LibreCrawl and SiteGuru. Each one has a side-by-side comparison with SEOnaut.
Is there a free alternative to SEOnaut?
Yes. SiteOne Crawler and LibreCrawl are free to use. Screaming Frog SEO Spider and SiteGuru have a free plan alongside paid ones.
Which SEOnaut alternatives work on Windows?
The SEOnaut listing does not include a Windows app. Screaming Frog SEO Spider, SiteOne Crawler, Sitebulb and LibreCrawl list one.
Which SEOnaut alternatives work on macOS?
The SEOnaut listing does not include a macOS app. Screaming Frog SEO Spider, SiteOne Crawler, Sitebulb and LibreCrawl list one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Oct 23, 2026. Vendors change prices without notice, so confirm on their site before you buy.