There are 3 repositories under ravelry topic.
Ruby gem for accessing the Ravelry API painlessly, easily, and awesomely.
Development of the Ravelry NPM
A simple bit of code to recommend yarns for crochet and knitting projects. Takes in the URL for any pattern on ravelry.com
A basic working example for a PHP library interacting with the Ravelry API using OAuth 2.0.
iOS implementation of ravelry access