There are many reasons you would want to connect your posts to others. Let’s say you want to create a list of related posts or create post series. That’s when associated your posts with others could help. Posts 2 Posts for WordPress is just the plugin you need for the job.
Posts 2 Posts has a simple user interface. You can create many to many relationship between posts of any types. Also, you can create many-to-many relationships between posts and users. That means you can create post series, have multiple authors per posts, or display favorite posts by users.
Posts 2 Posts is a free plugin. It makes connecting your posts with each other easy. It can work for all kinds of WordPress sites.