jQuery URI

URI.js – Mutating URLs

Linkify URLs, mentions & hashtags

Linky is a jQuery plugin for linkifying URLs, mentions (for Twitter, Instagram or GitHub) and hashtags (for Twitter); that is, taking plain text references of URLs, mentions and hashtags and turning them to the appropriate links. Existing linkified URLs are kept untouched.

URL ColorUP

A jQuery plugin allows it to automatically highlight URLs in textareas like those on Twitter.