Sean Davis

This plugin must be used with <a href="https://wordpress.org/plugins/simple-course-creator/" rel="ugc">Simple Course Creator</a>.
Add post meta information to the post list output from Simple Course Creator. Below each post in a course, the author 
and published date is displayed.
Follow Simple Course Creator Post Meta development on <a href="https://github.com/sdavismedia/simple-course-creator-post-meta" rel="nofollow ugc">GitHub</a>.
View all <a href="https://github.com/sdavismedia/simple-course-creator-post-meta/graphs/contributors" rel="nofollow ugc">contributors</a> to SCC Post Meta’s development.

Simple Course Creator Post Meta

Add post meta information for Simple Course Creator output.

Teruo Morimoto

You can register the lesson day of your club(music,sports,etc). Member can identify the lesson schedule of other members and register attendance or absence.
<a href="https://github.com/teru03/lesson-scheduler/wiki" title="Documentation in Japanese" rel="nofollow ugc">日本語の説明</a>

Lesson Scheduler

Just another lesson schedule management plugin. Simple look and feel.

Simple Course Creator Post Meta vs Lesson Scheduler