Here is a 100-word summary of Obsidian plugins: Obsidian Quiz Generator is an Obsidian plugin that allows users to create quizzes from their notes. It offers various question formats such as multiple choice, true/false, fill-in-the-blank, and matching questions. The plugin also includes spaced repetition for reviewing previously created quizzes. With its customizable options, users can control the difficulty level, number of choices, and more. Additionally, the plugin provides a responsive UI, allowing users to freely resize and move the interface.