Rhymebuster is an algorithm that mashes together lines from an extensive archive of hip hop lyrics. Every time you visit the homepage and click the “bust” button, a script puts together 4 rhyming lines in a unique configuration. You can delete, edit and refresh the lines, and then, when you are done, you can share your creation on Twitter and Facebook. You can also see the title of the lyric from which any individual line came and research it on Rap Genius.
Profanity and offensive lyrics frequently occur in the source text that the algorithm uses, you can easily delete and replace them.
The site also contains a rhyming dictionary, a list of popular rhymes and other tools.