Ocenaudio is a free audio editor that’s as accessible as they come. With little in the way of barrier to entry, it’s ready to record or import your sounds in many formats including MP4, so very useful ...

ScreenPal (formerly Screen-O-Matic) is an excellent tool that offers a lot for free: you can easily record your screen, webcam, or both at the same time, with just a few clicks, and apply callouts ...