Screencast-O-Matic

Screencast-O-Matic is a screen recorder that comes in a free or paid version. The paid version has extra features that are not included in the free version like drawing while recording.

The free version, however, only has 15 minutes of recording. It is quite easy to use. You can use it to create lectures or deliver tutorials. It can also be personalized for use in small groups.

Interesting features about it include:

• Use of webcam or screen to record
• You can write texts while recording
• You can zoom in and also zoom out too
• You can record your screen and voice at the same time
• You can add captions, and also edit your recording
• You can upload a script recording alongside a screen recording
• You can publish it on YouTube or Screen-O-Mastic

Audacity (an open-source easy-to-use multi- track editor)

It works on Windows, Mac OS X, and GNU/Linux.