There are many great websites and books available for learning to build custom plugins. However, if you are looking for a little help in getting started with the code or simply looking to help speed up the development process, then GenerateWP is worth bookmarking. GenerateWP describes itself as “the easiest and the fastest way to create custom and high quality code for your WordPress project using the latest WordPress coding standards and API’s.” They have 20 different code generators for WordPress features including taxonomies, post types, menus, shortcodes, and more.