The document summarizes the Marinetti Open Source Project (MOSP), which contains the source code for Marinetti, an open source TCP/IP stack for the Apple IIgs. MOSP aims to preserve and continue development of Marinetti, and contains source code, documentation, and tools for building and testing Marinetti applications. Recent additions to MOSP include a Uthernet link layer and source code to build Marinetti initialization files and tools.