Free and open first
Best SEO Tools in 2026 — page 2
- 245 apps
- Research read 28 Sept 2026
- How the order is worked out
- 26
Netpeak Spider
by Netpeak SpiderFree plan MacWindowsNetpeak Spider offers a broad technical crawl, reporting options, and a free tier with URL and thread limits. Choose a Pro billing option if those free-tier limits are too restrictive.
- 27
Linkody
Free plan APIWebLinkody combines recurring backlink monitoring, competitor research, reporting, and agency-oriented account features.
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Topvisor
Free plan APIExtensionWebTopvisor combines broad rank tracking with scheduled email reports, competitor tracking, sharing, and data connections.
- 30
CrawlSEO
Free plan APISelf-hostedWebCrawlSEO covers core SEO monitoring with audits, rankings, backlinks, vitals, alerts, exports, and AI-tool integrations.
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KrawlOps
Free plan AndroidExtensioniPhone+1KrawlOps focuses on technical SEO and AI search readiness rather than keyword, backlink, or competitor research.
- 33
SiteOne Crawler
Free plan APILinuxMac+2SiteOne Crawler covers multiple site-audit areas and offers reporting, export, and CI/CD features at no listed cost.
- 34
Positionly
by PositionlyFree plan AndroidAPIiPhone+1Positionly combines rank tracking with competitor analysis, backlink review, site auditing, and customizable reporting.
- 35
WebCrawler Pro
by WebCrawler ProFree plan LinuxMacSelf-hosted+2WebCrawler Pro combines technical, AEO, and GEO checks with configurable crawl modes and report exports. Its stated crawl limitations and unsigned installers are worth considering before use.
- 36
SerpBear
Free plan AndroidAPIiPhone+2SerpBear offers keyword tracking, alerts, exports, and an API without a software charge. Account for potential external scraping costs and the setup needed for the deployment option you choose.
- 37
Open SEO Crawler
Free plan LinuxMacSelf-hosted+2Open SEO Crawler offers configurable technical audits with local operation and useful export options. Check the installation requirements and default crawl settings against your workflow.
- 38
MarketMuse
by MarketMuseFree plan WebMarketMuse combines content inventory analysis, competitive research, metrics, briefs, and AI-assisted writing support.
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Outerank
Free plan APIChoose Outerank if you want SEO research and site-audit modules alongside AI citation tracking and Google Search Console integration.
- 41
Authoritas SEO Platform
by Authoritas SEO PlatformFree plan APIPick Authoritas SEO Platform if its SEO research and analysis tools match your needs and its domain, credit, and user limits fit your team.
- 42
Surfaceable
by SurfaceableFree plan APISurfaceable combines core SEO research with AI visibility monitoring and API access.
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CrawlZilla
Free plan APIWebCrawlZilla brings crawling, page analysis, Lighthouse audits, and scheduled monitoring into a cloud service with web and API access.
- 46
AnswerThePublic
by AnswerThePublicFree plan APIWebAnswerThePublic combines question discovery, monitoring, AI content tools, and exports in a freemium service. API users need a qualifying paid subscription and workspace opt-in.
- 47
PageOptimizer Pro
Free plan APIExtensionWebPOP combines page optimization recommendations with AI citation tracking, writing, and related SEO tools. It offers a free plan, while its listed paid monthly tiers begin at $40 a month.
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OxideSEO
Free plan LinuxMacWindowsOxideSEO combines technical SEO checks, crawl controls, and cross-page analysis in a free desktop application.
- 50
Serposcope
Free plan APILinuxMac+3Serposcope provides free self-hosted rank tracking with API access and several scraping integrations.
