Explore providers, articles, and companies related to Free Tools for practical research and comparison.
Google Trends is Google's free search trend analysis tool, launched in 2006, showing keyword interest as a normalized 0-100 index. It supports 5-keyword comparison, regional breakdown, and real-time hot topics, making it an entry-level staple for SEO and market research.
SEO Centro is a US SEO tools and marketing service founded in 2014, offering free SEO tools, local SEO optimization and link building services for local businesses and SMBs.
