Useful plugins for WordPress developers

There are a few plugins that have become indispensable in my WordPress workflow.  Hopefully these links can help others improve their work as well:

1. Advanced Custom Fields — Allows developers to create intuitive custom editing modules
2. Autoptimize — Concatenates and minifies theme files to improve optimization
3. TablePress — A flexible, developer-friendly system for managing HTML tables
4. Yoast SEO — Great all-in-one SEO solution