Open Lighting Console is a free and open source lighting shows manager application for Linux, Windows and MacOS. It is written in Python and released under GNU General Public License v3.0. It is based on Open Lighting Architecture to send DMX. It comes with RPN syntax support, Chasers, Groups, Masters, Track channels and Open Sound Control. You can import, open and Save ASCII files in this application. It also comes with virtual console support with MIDI learning.