QuietUrl is a firefox extension that makes all url-related tasks less painful, more intuitive and stress-free. Main features are automatic obfuscated/mismatched url translation, automatic url obfuscation and smooth automatic anchor creation on textual url

Linksubmit is a free URL shortening/obfuscation service. Similar to TinyURL and Bit.ly. Turn long urls into short links for submitting via text and the web.