SEOnaut vs LibreCrawl

SEOnaut (Open-source web-based SEO auditing tool (self-hosted or hosted)) and LibreCrawl (Open-source web-based SEO crawler (self-hosted)) on the same 24 capabilities, with a source for every cell and charts counted from the table.

Checked 21 October 2026 against each vendor's own public pages. Sources below.

SEOnaut

Open-source web-based SEO auditing tool (self-hosted or hosted)

Free MIT self-host; hosted Growth $9/monthRuns on your machine

LibreCrawl

Open-source web-based SEO crawler (self-hosted)

Free, $0; donations requestedRuns on your machine

Compatibility at a glance

SEOnaut scores 8 on coverage and 25 on automation; LibreCrawl scores 29 and 50. Both out of 100, counted from the table.

Out of 24 capabilities we compare for every tool.

6both have
1only SEOnaut
7only LibreCrawl

Market map

Crawl, audit and data coverage / Automation and AI agents: SpiderHead 71·83, Screaming Frog 92·75, Sitebulb 88·58, Ahrefs Site Audit 75·75, Semrush Site Audit 63·75, SEOnaut 8·25, LibreCrawl 29·50, advertools 21·2500252550507575100100Crawl, audit and data coverage →Automation and AI agents →SpiderHeadScreaming FrogSitebulbAhrefs Site AuditSemrush Site AuditSEOnautLLibreCrawlAadvertools
Scores are counted from the table: yes = 1, partly = ½, no or not found in public docs = 0, as a share of the rows on each axis. Horizontal: Crawl, audit and data coverage (12 rows). Vertical: Automation and AI agents (6 rows). Hover or focus a marker for the breakdown; click to keep it open.

Coverage by group

Share of rows each tool covers in a group, 0–100, counted from the table below.

90Price and setup5 rows90
0Interfaces2 rows25
0AI agents and integrations2 rows50
33Crawl3 rows33
0Audit5 rows50
0Data sources4 rows0
17Reports and follow-up3 rows50
25Overall24 rows46

Side by side

CapabilitySEOnautLibreCrawl
Price and setup
Free to useYes: Free MIT self-host; hosted Growth $9/monthYes: Free, $0; donations requested
Open sourceYes: Yes, MIT licence (LICENSE file / README)Yes: Yes, MIT licence
Runs on your machineYes: Self-hosted via Docker; hosted version also existsYes: Self-hosted; Local mode on 127.0.0.1
Works without an accountPartly: Sign-in in the web app; hosted needs sign-upPartly: Not in Local mode; login in Standard mode
Free tierYes: Hosted Lite: 1 project, 500 URLs; self-host: none statedYes: No URL cap stated; guests 3 crawls/24h
Interfaces
Desktop appNo: Web app run via Docker, no native appNo: Web UI in browser (Docker or Python)
Command lineNot found in public docs: Not found in public docsPartly: python main.py --local; no crawl CLI
AI agents and integrations
MCP server for AI agentsNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
APINot found in public docs: Not found in public docsYes: Session-auth HTTP API, 19 endpoints
Crawl
JavaScript renderingNot found in public docs: Not found in public docsYes: Yes, via Playwright (Chromium)
Scheduled crawlsYes: Hosted Growth lists recurring auditsNot found in public docs: Not found in public docs
Custom extractionNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Audit
Audit checksNot found in public docs: No count published; issues in 3 severity levelsNot found in public docs: No count; 13 check areas listed
HreflangNot found in public docs: Not found in public docsYes: Listed among audit checks
Structured dataNot found in public docs: Not found in public docsPartly: Schema listed among audit checks
Core Web Vitals / LighthouseNot found in public docs: Not found in public docsYes: PageSpeed Insights Core Web Vitals
AccessibilityNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Data sources
Google Search ConsoleNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Google Analytics 4Not found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Backlink dataNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Keyword dataNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
Reports and follow-up
Report exportsPartly: Report export mentioned; formats not namedYes: CSV, XLSX, JSON, XML (site: CSV/JSON/XML)
Task list and fix recheckNot found in public docs: Not found in public docsPartly: Issue filtering; no task tracking found
Reads Screaming Frog exportsNot found in public docs: Not found in public docsNot found in public docs: Not found in public docs
yespartlynonot found in public docs

Where each one is stronger

SEOnaut

  • Ships as a ready web dashboard with charts and issues grouped by severity, with no scripting needed
  • MIT-licensed code that can be self-hosted with a Docker compose file
  • Offers an optional hosted version with team collaboration and recurring audits
  • Stores crawl results in MySQL, which suits a persistent multi-project web interface

LibreCrawl

  • Fully open source under MIT, so the code can be modified and self-hosted.
  • Multi-user mode with isolated sessions and tiers for teams sharing one server.
  • Browser plugin system: JavaScript files add custom tabs reading crawl data.
  • Documented HTTP API with crawl start, stop, pause, resume and export endpoints.
  • Built-in PageSpeed Insights and JavaScript rendering via Playwright.

Questions

Which is cheaper, SEOnaut or LibreCrawl?
SEOnaut: Free MIT self-host; hosted Growth $9/month. LibreCrawl: Free, $0; donations requested. Prices as published on 21 October 2026; check the vendors' pricing pages before you buy.
Does SEOnaut or LibreCrawl run on my own machine?
SEOnaut: self-hosted via Docker; hosted version also exists. LibreCrawl: self-hosted; Local mode on 127.0.0.1.
Can AI agents use SEOnaut or LibreCrawl?
MCP server — SEOnaut: not found in public docs; LibreCrawl: not found in public docs. API — SEOnaut: not found in public docs; LibreCrawl: session-auth HTTP API, 19 endpoints.
Is SEOnaut free?
The community edition is open source under the MIT licence and can be self-hosted. The hosted service lists a free Lite plan (1 project, 500 URLs) and a Growth plan at $9/month on its site as of 2026-10-21.
Is LibreCrawl free?
Yes. The README and website state it is free and MIT-licensed; the author asks for optional donations.

How we compared

  • Every cell comes from the vendor's own public pages (product, documentation, pricing, release notes, repository) on 21 October 2026.
  • “Not found in public docs” means we could not confirm it from an official source, not that the feature is missing. Charts count it as 0.
  • Prices and plans change. Check the vendor's pricing page before you buy.
  • Spotted something out of date? Tell us and we will correct it.

Sources

Try SpiderHead on your own site