mod_rewrite rules are the power of apache which lets you to do magic withredirection. Using mod_rewrite rule you can create SEO friendly URL’s, forward specific request to any other domain, restrict access to webpages or website based on user agent and much more.
However creating proper mod rewrite rules could be hassle and its not that much easy and requires the knowledge of regular expression.
Here is list of,
Top 5 Online .htaccess Mod Rewrite Rules Generator
This website lets to generate detailed .htaccess mod rewrite rules as well as htaccess files, custom error pages, MIME types, Cache Control, Password Protect Directoryfor your blog or websites
http://www.webmaster-money.org/tools/htaccess_generator.php
This website lets you to generate htaccess file, password protect directory, rewrite rules, custom error pages.
http://xem247.com/tool/htaccess.php
This website lets you to generate Search Engine Friendly URL’s.
http://developers.evrsoft.com/tools-htaccess-generator.shtml
This website lets you to generate .htaccess file, hotlink protection, custom error pages, mod rewrite rules, password protect directories.
http://www.generateit.net/mod-rewrite/
This is simple mod rewrite rule generator which lets you to generate SEO friendly URLs for dynamic URLs.