This is my list of invaluable plugins for your WordPress site. They are all free or have a free version.
- timber-library (Templating)
Twig template engine with WordPress flair.
- advanced-custom-fields (Admin)
The most simple way to add custom metaboxes to your posts, custom posts and pages
- siteorigin-panels (Page Builder)
Advanced Widgets and layouts for your post text editor
- so-widgets-bundle (Widget Bundle)
Widget bundle for your Page Builder, easy to extend and develop your custom widgets