There are lots of Free SEO Tools which helps you in promoting business, as Search Engine Optimization Tool helps one to identify that from where the relevant traffic is generating, who all have visited your website and on which keyword. So that you may use that particular keyword again and again and generate maximum traffic from that keyword. SEO Tools are helping to find out the back links, Reciprocal links, No-Follow and Do-Follow etc. Some Free SEO Tools are as given below:-

• Keyword Suggestion Generator
• Google page ranker tool
• Google Analytics
• Multi-Rank Checker (PageRank and Alexa)
• Reciprocal Link Checker
• No-Follow Finder
• Site Spider Viewer
• Alexa Traffic Rank Checker
• Page Speed
• Domain Whois Retriever etc…