Best OpenSEO Alternatives in 2026
Updated
20 platforms from SEO tools ranked against OpenSEO on the same published basis.
- 1OpenSEO vs DefiniteSEO
- 2OpenSEO vs Frase
- 3OpenSEO vs Screaming Frog SEO Log File Analyser
- 4OpenSEO vs Semrush
- 5OpenSEO vs Ahrefs
- 6OpenSEO vs MarketMuse
- 7OpenSEO vs Outerank
- 8OpenSEO vs Screaming Frog SEO Spider
- 9OpenSEO vs DataForSEO SERP API
- 10OpenSEO vs Netpeak Spider
- 11OpenSEO vs Google Search Console
- 12OpenSEO vs Moz Pro
- 13OpenSEO vs Rank Math SEO
- 14OpenSEO vs SEOPress
- 15OpenSEO vs Marketing Miner
- 16OpenSEO vs Atomic
- 17OpenSEO vs Rankora
- 18OpenSEO vs Mangools
- 19OpenSEO vs SEO PowerSuite
- 20OpenSEO vs Ubersuggest
OpenSEO alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | DefiniteSEO | 9.1 | Free plan | $0.42/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | Frase | 9.0 | Free plan | $19/mo | API, Browser, Web |
| 3 | Screaming Frog SEO Log File Analyser | 8.8 | Free plan | $11.58/mo | Linux, Mac, Windows |
| 4 | Semrush | 8.7 | Free plan | — | API |
| 5 | Ahrefs | 8.7 | Free plan | $29/mo | API, Web |
| 6 | MarketMuse | 8.7 | Free plan | Free | Web |
| 7 | Outerank | 8.7 | Free plan | $31/mo | API |
| 8 | Screaming Frog SEO Spider | 8.6 | Free plan | — | API, Linux, Mac, Windows |
| 9 | DataForSEO SERP API | 8.6 | No | — | API, Web |
| 10 | Netpeak Spider | 8.6 | Free plan | — | Mac, Windows |
| 11 | Google Search Console | 8.4 | Free plan | Free | API, Web |
| 12 | Moz Pro | 8.4 | No | $49/mo | Browser, Web |
| 13 | Rank Math SEO | 8.3 | Free plan | Free | Web |
| 14 | SEOPress | 8.3 | Free plan | $4.08/mo | API |
| 15 | Marketing Miner | 8.3 | Free plan | — | API, Web |
| 16 | Atomic | 8.3 | Free plan | $40/mo | Web |
| 17 | Rankora | 8.3 | Free plan | $29/mo | Web |
| 18 | Mangools | 8.2 | Free plan | Free | API |
| 19 | SEO PowerSuite | 8.2 | Free plan | $29.08/mo | API |
| 20 | Ubersuggest | 8.2 | No | $29/mo | Web |
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Questions about OpenSEO alternatives
What is the best alternative to OpenSEO?
DefiniteSEO, number 1 in SEO tools with a score of 9.1 out of 10. The others here: Frase, Screaming Frog SEO Log File Analyser, Semrush and 16 more.
What is the best free alternative to OpenSEO?
DefiniteSEO is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.