WHAT SLS IS? Simracing League System (SLS) is a 3-layer application for managing leagues. It is designed as a web application, making it easy for the worldwide community to use all the features just by means of an Internet browser.
It can store a lot of binary data like car skins, driver photos, race results files, and more. SLS includes LiveView which shows current standings during all the events started by an application (sim) that generates live results.
And mainly, it is free.