Custom Guest Authors is a free WordPress plugin that enables site owners to assign custom guest author names to posts, supporting multiple authors and integration with both Gutenberg and classic editors. Below are 6 seo & content marketing apps with similar functionality to Custom Guest Authors, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
WP Post Author is a free WordPress plugin that provides a comprehensive solution for displaying author information, managing multiple and guest authors, and adding custom avatars. It is ideal for blogs, news portals, and multi-author websites seeking to improve editorial workflows and engagement.
Guest Posting is a WordPress plugin that lets site owners accept guest post submissions from users, streamlining the process of collecting and managing user-generated content. The plugin is no longer available for download as of April 2026.
Post CoAuthors is a free WordPress plugin that lets administrators assign multiple contributors to posts and display them on the frontend. It integrates with the admin UI and ensures clean uninstallation, making multi-author management simple.
PublishPress Authors is a WordPress plugin that allows site owners to assign multiple authors, co-authors, and guest authors to posts. It provides customizable author boxes, widget and block support, and easy management of author profiles. Ideal for publishers and blogs with collaborative content.
Musahimoun is a WordPress plugin that enables site owners to add multiple or guest authors and contributors to posts, especially for block themes. It provides dedicated author archives and seamless integration without requiring user accounts for each contributor.
Default Post Author is a WordPress plugin that allows site administrators to set a default author for all new posts, bulk update existing posts, and manage author assignments efficiently. It features a modern admin interface and AJAX-powered controls for ease of use.