Some resources I’ve collected that will surely help in developing WordPress plugins.

WP Gear – A compendium of resources

Researching Hooks

http://wpseek.com

Generator for post types, queries and much more

http://generatewp.com/

Options and frameworks

http://wptheming.com/options-framework-plugin/

http://wordpress.org/extend/plugins/plugin-options-starter-kit/

https://github.com/lpointet/WordPress-Plugin-Skeleton

http://pluginstarter.com

http://themeshaper.com/2010/06/03/sample-theme-options/

https://github.com/seedprod/_wpseed

http://www.ilovecolors.com.ar/how-to-add-a-color-picker-to-your-wordpress-plugin-or-theme/

Using the Settings API

Otto’s WordPress Settings API Tutorial

Playing with the WordPress UI for Your Plugin

http://wp.tutsplus.com/tutorials/integrating-with-wordpress-ui-the-basics/

http://yoast.com/custom-post-type-snippets/

If you enjoyed this post, make sure to subscribe to WPMayor’s RSS feed.

Testing Your Plugin

http://wordpress.org/extend/plugins/log-deprecated-notices/

Reset Your Database

http://wordpress.org/extend/plugins/wordpress-reset/

WordPress Hooks, Actions and Filters (Extensible Plugins)

http://wp.smashingmagazine.com/2012/02/16/inside-wordpress-actions-filters/

http://wp.tutsplus.com/tutorials/plugins/writing-extensible-plugins-with-actions-and-filters/

http://pippinsplugins.com/?s=extensible

WordPress Plugin Frameworks

http://w-shadow.com/blog/2012/06/26/list-of-wordpress-plugin-frameworks/

WordPress Coding Standards

http://wp.smashingmagazine.com/2012/07/19/guide-wordpress-coding-standards/