If you need a powerful keyword research tool, Rankify is worth a look. It includes search volume, color-coded keyword difficulty, related keyword suggestions and multi-project management. Rankify is geared for SEO agencies, freelancers and enterprise teams, and it offers a 7-day free trial and several pricing tiers depending on your needs.
If you want an all-in-one SEO tool, check out AlphaRank. It uses machine learning to try to better understand keywords, and it tracks keyword ranks in real time. AlphaRank also can provide deeper insights from top merchants and can create SEO-optimized content, so it's good for beginners and pros.
Last, Seomaker stands out with AI-powered content generation and competitor analysis. It's got a range of tools for SEO performance measurement and marketing, too, so it's good for individuals, e-commerce sites, startups and marketing agencies. Seomaker offers a 7-day free trial so you can try its full range of features.