GooglePlus Multi-Authorship

Solves the co/multi-author problem without modifying the theme. Uses a custom taxonomy, "Byline," that replaces the Display Author.

Share post ideas with writers, suggest them writing topics and keep track of the posts ideas with a to-do list.

The most user-friendly plugin for managing author profiles. Adds a truly simple author box, support multiple authors, guest authors, and much more.

Auto-Schedule Posts allows users to separate their writing schedule from their publishing schedule - write when you want and have posts publish at the …

The plugin add a widget and a shortcode in order to show authors of an article. It is compatible with Co-Authors Plus.

This plugin enables you to have 2 titles for 1 post : one on the post page, the other to be used everywhere else.