World Top SEO Tools

1.http://www.wordstream.com/free-keyword-tools- Wordstream Free Keyword Tools
2.http://www.keywordeye.com- Keyword Eye Basic
3.https://www.youtube.com/keyword_tool- YouTube Keyword Tool
4.http://ubersuggest.org/- Übersuggest utilizes the "Suggest" data forms Google & others search engine.
5.http://www.removeem.com/ratios.php- Anchor Text Over Optimization Tool
6.http://word2cleanhtml.com- Convert Word Documents to Clean HTML
7.http://www.copyscape.com- Copyscape
8.http://download.cnet.com/Xenu-s-Link-Sleuth/3000-10248_4-10020826.html- Broken Links Report
9.http://www.yellowpipe.com/yis/tools/robots.txt- Robots.txt Generator
10.http://urivalet.com- URI Valet
11.http://seobin.org-Title and Description Optimization Tool
12.http://www.feedthebot.com/tools/alt/- Image SEO Tool
13.http://tool.motoricerca.info/robots-checker.phtml -Robots.txt Checker
14.http://schema-creator.org- Schema Creator
15.http://www.snippetoptimizer.net/-Google Snippet Preview
16.http://www.google.com/webmasters/tools/richsnippets- Structured Data Testing Tool
17.http://code.google.com/p/sitemap-generators/wiki/SitemapGenerators- XML Sitemap Generators
18.http://sitemapinspector.com- XML Sitemap Inspector
19.http://tools.pingdom.com/fpt- Pingdom Website Speed Tool
20.http://fiddler2.com-  Fiddler
21.http://www.microsoft.com/web/seo-  Microsoft Free SEO Toolkit