Co-Authors Plus

Assign multiple bylines to posts, pages, and custom post types via a search-as-you-type input box

Mohammad Jangda, Daniel Bachhuber, Automattic 20,000+ active installs Tested with 4.8 Updated 3 months ago

SP Authors

This very simple plugin allows multiple authors to be assigned to a Post or Page.

leticia5959,gpc 50+ active installs Tested with 2.8 Updated 8 years ago