Free and open first

Best Search Engine Optimization Software in 2026

31 apps
Research read 28 Sept 2026
How the order is worked out

1

Rank Math SEO

Free plan Open source APISelf-hostedWeb

Choose Rank Math if you want WordPress SEO controls, performance tracking, and structured data in the admin area.

8.7 Free plan Visit site
2

Yoast SEO
by Yoast SEO
Free plan Open source APISelf-hostedWeb

Yoast SEO combines core SEO and readability tools with sitemap, structured data, and indexing features. Premium costs $118.80 a year for one website or domain.

8.4 Free plan · paid from $118.80/yr Visit site
3

Ahrefs
by Ahrefs
Free plan APIWeb

Ahrefs covers core SEO research and auditing alongside APIs and content tools.

7.3 Free plan · paid from $29/mo Visit site
4

Google Search Console

Free plan APIWeb

Search Console provides search performance reporting alongside tools for crawling, indexing, and site issue monitoring at no charge.

7.2 Free plan Visit site
5

Mangools
by Mangools
Free plan APIExtensionWeb

7.2 Free plan · 10-day trial Visit site
6

Screaming Frog SEO Spider
by Screaming Frog SEO Spider
Free plan APILinuxMac+2

SEO Spider offers technical crawling, JavaScript rendering, data extraction, and integrations across Linux, macOS, and Windows.

7.2 Free plan Visit site
7

SEO PowerSuite
by SEO PowerSuite
Free plan APILinuxMac+1

SEO PowerSuite covers several SEO research and tracking tasks, with a free tier and three annual paid plans.

7.1 Free plan · paid from $349/yr Visit site
8

GoMySeo
by GoMySeo
Free plan Web

GoMySeo groups several SEO workflows into one web service with a free starting tier and three paid levels. Choosing a plan depends on required credits, users, folders, and Search Console connections.

7.0 Free plan · paid from €19/mo Visit site
9

Majestic
by Majestic
Free plan API

Consider Majestic if you need several kinds of SEO research in one service, with a free plan available or a named plan sized to your listed usage needs.

6.9 Free plan Visit site
10

Semrush
by Semrush
Free plan API

6.7 Free plan · 7-day trial Visit site
11

SpyFu
by SpyFu
Free plan APIWeb

SpyFu brings SEO and paid-search research together with reporting, integrations and historical data. Check the billing term and Pro + AI introductory pricing when choosing a plan.

6.7 Free plan · paid from $29/mo (annual) Visit site
12

Serpstat
by Serpstat
Free plan API

Serpstat combines several SEO research and monitoring tools with API access. The plan limits vary substantially, so compare searches, checks, audit pages, exports, and team seats against your needs.

6.6 Free plan · paid from $50/mo · 7-day trial Visit site
13

AccuRanker
by AccuRanker
Free trial APIWeb

AccuRanker provides research and rank-monitoring functions across three listed plans. Choose based on required tagging, reporting features, and keyword or user scale.

6.3 From $224/mo · 14-day trial Visit site
14

Conductor

Free trial APIWeb

Conductor brings AI search visibility, content workflows, and technical monitoring into an enterprise-oriented platform.

6.1 Pricing on request · 21-day trial Visit site
15

BrightLocal Reputation Manager
by BrightLocal Reputation Manager
Free trial Web

Choose Reputation Manager if you want review monitoring, response tools, customer invitations, and a website review widget for one location.

6.0 14-day trial Visit site
16

Clearscope

Free trial Web

Choose Clearscope if your work combines content optimization with tracking across search and AI platforms. Essentials starts at $129 a month, with a 14-day trial.

6.0 From $129/mo · 14-day trial Visit site
17

JetOctopus
by JetOctopus
Free trial APIWeb

JetOctopus brings technical SEO data and large-site crawling into one cloud platform, with API and MCP access.

6.0 7-day trial Visit site
18

Botify
by Botify
Paid APIExtensionWeb

Choose Botify if your team needs search analytics alongside AI visibility and automated content and site actions.

5.9 Pricing on request Visit site
19

Sitebulb
by Sitebulb
Free trial ExtensionMacWeb+1

Sitebulb focuses on auditing websites and researching keywords, with plan limits that scale from 10,000 to 10 million URLs.

5.9 14-day trial Visit site
20

BrightEdge
by BrightEdge
Paid APIWeb

BrightEdge brings SEO research, auditing, content tools, and AI search visibility features together for enterprise teams. Pricing requires a sales discussion, and there is no free plan.

5.7 Pricing on request Visit site
21

ProRankTracker
by ProRankTracker
Free trial API

ProRankTracker offers tiered rank-monitoring capacity with research tools and API access. Compare each plan’s term, user, and Insta-Check allowances before selecting a subscription.

5.7 From $99/mo · 7-day trial Visit site
22

Wincher
by Wincher
Free trial APIExtensionWeb

Wincher combines search research, ranking tools and reporting in one platform, with plan options from 500 keywords upward.

5.7 7-day trial Visit site
23

Advanced Web Ranking
by Advanced Web Ranking
Paid API

Advanced Web Ranking covers several search visibility tasks and offers plans with distinct keyword capacities.

5.6 From $139/mo · 7-day trial Visit site
24

SISTRIX
by SISTRIX
Free trial APIWeb

SISTRIX brings together SEO, AI-search visibility, and Amazon analysis, with plan limits that vary by tier.

5.6 From €119/mo · 14-day trial Visit site
25

Lumar
by Lumar
Paid APIWeb

Choose Lumar if an enterprise-scale digital team needs auditing, monitoring, QA automation, and optimization reporting in one platform. Lumar sets project and crawl limits to customer requirements.

5.5 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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