Semrush
All-in-one SEO, PPC, content and competitor-research toolkit — one of the highest-paying tool programs.
SE Ranking
Affordable all-in-one SEO platform with rank tracking, audits and keyword research.
Surfer SEO
Content optimization and SERP analysis tool loved by content teams.
Mangools
KWFinder plus four other easy-to-use SEO tools — popular with beginners.