Free marketing · seo in the Top 11
6 providers in the Top 11 The 11 Best SEO Tools for SaaS offer a free tier; the most credible is Ahrefs.
Why this answer
Filtered to entries with a published free tier (not just a free trial). When the pricing page is ambiguous we err conservative — paid-only by default.
Showing all 6 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best SEO Tools for SaaS.
#1Ahrefs(rank #1 in The 11 Best SEO Tools for SaaS)
Free tierThe top choice for its unparalleled backlink index, crucial for competitive SaaS markets.
Full Ahrefs review · Compare: Ahrefs vs Semrush · Alternatives
#2Semrush(rank #2 in The 11 Best SEO Tools for SaaS)
Free tierThe most feature-rich platform for holistic market intelligence beyond just SEO.
#3Screaming Frog SEO Spider(rank #3 in The 11 Best SEO Tools for SaaS)
Free tierThe industry-standard desktop crawler for deep, technical site audits. A must-have.
#4Moz Pro(rank #5 in The 11 Best SEO Tools for SaaS)
Free tierA reliable and user-friendly platform with strong core features and educational support.
#5Ubersuggest(rank #10 in The 11 Best SEO Tools for SaaS)
Free tierAn accessible, affordable, and easy-to-use tool for SEO beginners.
#6AlsoAsked(rank #11 in The 11 Best SEO Tools for SaaS)
Free tierA specialized tool that visualizes 'People Also Ask' data to uncover user intent.
Methodology: /methodology · No paid placement ever · Verified .