In the settings you can choose which applications you want to monitor and exactly what information you want to receive. You can find out what was typed, what websites were visited, which programs were opened, and what was written in a text document. Basically, it can tell you everything.
The free version of Best Free Keylogger lets you see a maximum or 14 screen captures every day, while the PRO version lets you see as many as you want. You can buy the PRO license on the developer's official website.
Best Free Keylogger is a program that should be used with caution. The official website recommends it as a tool for monitoring the computer usage of minors; however, we're talking about a program that's able to easily violate a person's privacy.