Below is the official PPA repository of Gambas 3 stable version. Gambas is a development IDE for Linux which has similar features to Visual Basic on Windows. Add the following PPA to your system (Ubuntu based Linux) to install Gambas 3.
sudo add-apt-repository ppa:nemh/gambas3
You can check the packages available in the Gambas 3 PPA here.
You may also wants to check our PPA collections.