Links to learn plugin development in wordpress
Plugins and tools for wordpress backups and migrations
WordPress-New
Dump
Duplicate Post, Pages,Site
Widgets
Drag & Drop Post Types
Customizing Profiles
User Roles & Permission
Performance
Wordpress Security
WordPress Workflows
Plugin Development Tuts
Links to learn plugin development in wordpress
Custom Post Types
WP Widgets
Wordpress Editor
Analytics
SEO
Admin Area Customization
MUST HAVE Free Plugins
URL Rewriting
Customizing Site
Custom Fields
Backups and Migrations
Plugins and tools for wordpress backups and migrations
File Manager
Page Builders