Jungle Scout is a US software and data platform helping Amazon sellers research products, track keywords and competitors, manage listings and estimate sales.
Helium 10 is a US software suite for Amazon sellers, providing product research, keyword tracking, listing optimisation and analytics tools to grow marketplace sales.
Similarweb is a digital intelligence platform providing website and app traffic data, audience insights and competitive benchmarks for marketers, analysts and investors.
Ahrefs is a Singapore-based SEO software company offering tools for backlink analysis, keyword research, rank tracking and site audits, with a large index of web links.
Semrush is a US online visibility management platform offering SEO, content, advertising, social media and competitive research tools for marketers and agencies.