For Windows and Linux, it is free and open source.
vokoscreenNG is a powerful screencast creator in 41 languages to record the screen, an area or a window (Linux only). Recording of audio from multiple sources is supported. With the built-in camera support, you can make your video more personal. Other tools such as systray, magnifying glass, countdown, timer, Showclick and Halo support will help you do a good job.
History: In January 2012 the first version for Linux with the name vokoscreen came out. In the middle of 2017, the decision was made to start over from scratch. The aim was to develop a version for Linux and Windows with the frameworks Qt and GStreamer. After more than two years of development, vokoscreenNG for Linux was released at the end of December 2019 and vokoscreenNG for Windows at the end of January 2020.
Please help to translate on transifex
Only 100% translated languages will be added to vokoscreenNG.
You can translate to anytime, your translation will be included in the next bugfix release.
Sourcecode hosted on github