TL:DR; Lock My PC Free Edition is a good and free alternative to standard Win+L Windows lock.
Lock My PC Free Edition is a good and free alternative to standard Win+L Windows lock. Use it every time when you leave your computer unattended.
Perfect Keylogger helps you to find out what they are doing on their PC. With this key logger you will receive their keytrokes, chats, websites, screenshots and passwords by email. Remote surveillance - as easy as never before!
REFOG Personal Monitor is an advanced monitoring tool that logs keystrokes, takes screenshots, saves program activity and Clipboard content, and keeps an eye on your Instant Messaging sessions.
Small Windows utility that can quickly enable and disable USB ports. It has interface and runs from the system tray. You can control the devices from the right-click context menu or main graphical form. It allows users to control USB devices such as,