Cuttr.js is a javascript / jQuery plugin that truncates multi-line text content with multiple truncation methods and custom ellipsis.
Shave is a zero dependency javascript plugin that truncates text to fit within a html element based on a set max-height.
Truncated Text is a javascript function that you can truncate string with character limit. There is no broken words when truncating text
Shorten is a jQuery plugin to automatically shorten text in a DIV and add "show more" link.
Succinct is a tiny jQuery plugin for truncating multiple lines of text. It shortens your text to a specified size, and then adds an ellipsis to the end.