The document summarizes the Open Source Software Lab (OSUOSL) at Oregon State University, which provides hosting for open source projects. It discusses the history and growth of OSUOSL over the past 4 years, from hosting around 60 projects on 10 racks to now hosting over 300 machines and 130 VMs for many well-known open source projects across 22 racks. It also outlines the services, staffing, funding sources, tools, and future plans of OSUOSL.