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Related Links gives you the possibility to manually link other posts to your current post. But you can also link pages, media or any custom post-type. And in addition you can use custom urls to link to external files. The plugin adds a Metabox to the writing page with a list of all available content.

Features:

• Shows a list of all available content in a Metabox on the writing page
• Multiple links can be selected
• Link order can be changed through drag and drop
• Custom URLs can be added
• Search field to quickly find a link
• Simple theme integration with an included widget or related_links()
• Works with custom post-types
• Settings to enable the post-types that should be shown in the Metabox