06/06/2011

• Requestdiff : Differentiate HTTP headers and content body of two GET URLs.
• RegExr : RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
• Audiotool : Audiotool is a powerful online music production studio right in your browser.
• Feed43 : Your favorite site doesn't provide news feeds? This free online service converts any web page to an RSS feed on the fly.
• eval.in : paste and execute code online.