OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Ape Mockups - A huge hand-curated collection of free high-quality mockups
Snagit - Screen Capture Software for Windows and Mac
AppLaunchpad - Create free beautiful screenshots for App store/Google play
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Clay Mockups - Free set of beautiful device mockups for your designs