From OpenSCADAWiki
Of while for the project OpenSCADA was needed to create specialized builds of Linux environments kind of PLC-firmwares, Live/Install/Service Disks for Automated Work Places (AWP), Developer Working Place and rapid familiarization of the OpenSCADA program. In begin it was enough to use standard Linux package repositories, firstly it was ALTLinux and currently it is Debian. But, in a reason of the need of fixing, updating and rebuilding for some packages of the Linux distributive, there was created own repository of this packages together with the OpenSCADA packages.