FREE WordPress Plugins
Word Filter
Word Filter is a simple plugin that will either replace or remove words found in post content.
Word Count
Word Count is a simple plugin that can add word count, character count and estimated reading time to either the top or bottom of a blog post.
Are You Paying Attention
Are You Paying Attention is a Gutenberg plugin that let’s the admin create multiple choice quizzes that the post reader can answer as they are reading. Multiple quiz questions can be added to a post or page.
RDP Wiki Embed
RDP Wiki Embed will pull content from any MediaWiki website (such as wikipedia.org). It strips and re-formats the content, allowing you to supply some arguments to dictate how this works.
RDP Wiki Embed can also look for all links to wiki sites listed in the Security section and force the content on the current page to be replaced with the content found at the wiki site when the link is clicked. Visitors will be able to read wiki content without leaving your site.