Semrush is an omnichannel digital marketing platform founded in Boston, USA in 2008 with 25B+ keywords and 43B+ backlinks, serving over 10 million users and listed on the NYSE in 2021.
Ahrefs is an SEO tool suite headquartered in Singapore, founded in 2010, with a backlink index of 42 billion+ web pages and a 10 billion+ keyword database, widely used by SEO professionals worldwide.
WebCEO is a comprehensive SEO tool platform with over 20 years in the industry, offering keyword research, rank tracking, website audits, competitor analysis, and white-label reporting for small businesses and SEO agencies.
STAT Search Analytics is an enterprise SEO rank tracking and AI brand visibility platform under Moz (a Ziff Davis company), shipping 100+ parser changes each year for data accuracy, and a professional choice for agencies and big brands tracking rankings at scale.
SiteChecker Pro is Sitechecker's advanced SEO monitoring offering for agencies and mid-to-large teams, with million-page crawler audits, a public API, white labeling, and AI visibility tracking for scaled client site management.
SERPWoo is a US rank tracking tool founded in 2014, monitoring 130 million+ domains and 1.5 million+ keywords daily, with top-100 SERP views, white-label reports and online reputation management.
SEOMator is a Czech SEO audit platform founded in 2011, integrating 23 tools that check 21 issues per page, with white-label reports and AI rank tracking starting at $49/month.
Searchmetrics is an enterprise SEO and content analytics platform founded in Berlin, Germany in 2007, known for 0-100 content scoring, keyword research and rank tracking, and acquired by BrightEdge in 2021.
SE Ranking is an all-in-one SEO platform founded in 2013, bundling 50+ tools including rank tracking, website audit and backlink monitoring, with a 14-day free trial and white-label reports, a cost-effective choice for agencies.
RankTracker is the keyword rank tracking tool of SEO PowerSuite (developed by Link Assistant, founded in 2007 in Latvia), supporting 550+ search engines and regions, with about 500 keywords tracked in the free edition and a one-time Professional license from about $450.
Nightwatch is an SEO rank tracking tool headquartered in the Netherlands, offering daily multi-engine keyword ranking monitoring, white-label reports, and API integration for SEO agencies and teams that value data freshness.
Neil Patel SEO is the SEO and content marketing platform founded by American marketer Neil Patel; the free SEO Analyzer and Ubersuggest cover keyword research, site audits, and rank tracking, with paid plans from $12/month.
Mangools is an affordable SEO tool suite founded in 2014 in Slovakia. KWFinder covers 2.5 billion+ keywords and LinkMiner covers 9.5 trillion backlinks, serving 2.8 million+ users as a high-value choice for beginners and small teams.
Link Assistant is the developer of SEO PowerSuite, founded in 2007, offering an all-in-one desktop toolkit covering rank tracking, website audit, backlink analysis, and link building for 2,000,000+ SEO professionals. The free version is free forever and Professional starts at $349/year.
KWFinder is a low-cost keyword research tool launched by Mangools in 2015 in Slovakia, covering 2.5 billion+ keywords and 65,000+ city-level locations, with an entry price of $29/month for beginners and small teams.
Internet Marketing Ninja is a US SEO tools and services provider offering 5 core modules - keyword research, rank tracking, site audits, link analysis, and competitor research - combined with human link-building and content strategy services for SEO teams and SMBs.
Conductor is an enterprise SEO and content marketing platform founded in 2006 in New York, USA; acquired by Newfold Digital in 2021, it covers keyword research, rank tracking, and content intelligence across 6 modules for large-brand content teams.
Cognitive SEO is a US-based SEO toolset focused on content optimization and backlink analysis, offering Content Intelligence, rank tracking, and site audits from about $49.95/month per tool.
BrightEdge is an enterprise SEO and content performance platform founded in 2007 in San Mateo, US, combining the Autopilot AI engine with a 10B+ keyword Data Cube to grow search visibility for large brands.
AccuRanker is a real-time keyword rank tracking platform from Denmark, founded in Copenhagen in 2013, delivering daily multi-search-engine ranking updates for SEO teams and agencies.
SpyFu was founded in 2008 and is headquartered in Phoenix, USA, as an SEO/PPC tool focused on competitor keyword and ad strategy analysis, with 11 billion+ keywords and 20+ years of SEO and 10+ years of Google Ads history, starting at $39/month.
Serpstat is an all-in-one SEO platform founded in 2016, with a database covering 8.62B keywords and 230 countries, over 1.1M users, and known for its value pricing and 7-day free trial.
Seobility is an SEO audit and page optimization tool founded in Germany in 2014; the free plan crawls 1,000 URLs, Premium starts at EUR 49.90/month and it has over 600,000 registered users.