iWeb FTP - Web Based File Storage
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
ProtectPDF.io - Keep your ebook safe and prevent sales loss
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Locklizard Safeguard PDF Security - Locklizard Safeguard PDF Security provides total PDF DRM protection and control over your documents...
LightShot - The fastest way to take a customizable screenshot.