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.
A free software for webcams and network cameras monitoring. Keep an eye on your home, place of business; watch your pets or your kids. When motion is detected, the program can create a video recording of the event, take photos, sound an alarm
Block multiple web site that you specify. Add individual sites to be blocked one at a time or load many sites from a file. There is a feature to password protect this software so that your settings can not be changed.
USB Block lets you protect your PC from data loss. Prevent duplication of your data to External Drives, USB Ports, Flash Disks, or data getting burned to a CD/DVD. Block unwanted devices by all means necessary.