Explore Keywords is described as 'The Ultimate Free Keyword Research Tool for checking long tail keywords, marketing keywords, keyword volume, question keywords, unlimited keywords, instant keywords and youtube keywords'. There are more than 10 alternatives to Explore Keywords, not only websites but also apps for SaaS, Google Chrome, Mac and Windows. The best alternative is Google Search Console, which is free. Other great sites and apps similar to Explore Keywords are Moz (Paid), Semrush (Paid), ahrefs (Paid) and KWFinder (Freemium).
Surfer is a tool designed to help SEO-optimize written content, like blog posts and articles. Use Surfer to generate content plans for any domain in a couple of clicks. Write high-quality and SEO-friendly content to win high positions in Google.
GrowthBar is an SEO software tool for results-driven entrepreneurs and marketers. It helps internet-enabled businesses -- from blogs, to ecommerce businesses, to startups -- uncover critical data points and recommendations.