This scripts allows you to fetch long list of longtail keywords from most popular sites such as Google, Yahoo, Bing, YouTube, Amazon and Ebay. When you enter the keyword – this tool query selected search engine and continuously pull more and more long-tail  keywords suggestions.

This tool returns the list of keyword suggestions that are generated by Bing search engines when we enter any keyword in Bing search.

With this script you can get long list of Yahoo search keyword suggestions for specified keyword.

With this tool you can get several long-tailed keyword suggestions which people frequently search on Youtube. This script allows you to enter any keyword and it will output suggestions related to that keyword.