Linux - Screen Recorder

1. Green Recorder

https://github.com/green-project/green-recorder

$ sudo add-apt-repository ppa:mhsabbagh/greenproject
$ sudo apt update
$ sudo apt install green-recorder

2. Peek Screen Recorder - an animated GIF recorder

https://github.com/phw/peek/releases/

$ sudo add-apt-repository ppa:peek-developers/stable
$ sudo apt update
$ sudo apt install peek

3. Simple Screen Recorder
 
http://www.maartenbaert.be/simplescreenrecorder/

$ sudo add-apt-repository ppa:maarten-baert/simplescreenrecorder
$ sudo apt update
$ sudo apt install simplescreenrecorder

4. Record My Desktop

http://jasonmun.blogspot.my/2017/03/linux-record-my-desktop.html