AceThinker Screen Grabber Pro is a robust and all-in-one screen recorder software that can grab or capture your screen activity along with the audio playing on it. You are also allowed to record your voice by plugging a microphone which is necessary for tutorials, vlogging, or live stream games. It also features a built-in editor that allows you to edit or put annotations to the recording in real time. Try using this software and enjoy it.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Wondershare PDFelement - All-in-one PDF editor
Screencast-O-Matic - Free version Records up to 15 minutes, premium is $15/year.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.