theode

If too many plugins appear in the WordPress admin sometimes the question appear if there is a way to move them out of sight without deleting them. 
This plugin is able to do this task. 
Define a folder under Tools -> Plugin Mover and then go to plugins admin page and choose to move plugins to your defined folder. 
Afterwards you can see them by ftp in the defined folder.

Plugin Mover

Easily move your plugins into another folder!

Sonali Prajapati

Admin Notes Manager lets WordPress site administrators create and manage personal or team notes right inside the dashboard. Use it to track changes, log issues, or leave internal to-dos without using external tools.
Features: 
* Dashboard widget for quick notes 
* Private notes only visible to administrators 
* Notes are saved securely in the database 
* Edit or delete existing notes

Admin Notes Manager

Manage and store admin notes inside your WordPress dashboard. Perfect for keeping logs, reminders, or to-dos.

Plugin Mover vs Admin Notes Manager