A lightweight wordpress plugin that helps you to login to your site by using a “Login by Bitbucket” system and it enables developers to run most of server side ability in plugin or theme by using of Bitbucket API, This includes access to all features of the version 1 and version 2 Bitbucket API .
So a developer can to create wordpress plugins or themes using of a simple php class named WP_Bucket and Bitbucket API.
This plugin created based on OAuth class and wp_remote_request function.
WP Bucket Introduction
Please to read WP Bucket Introduction