The QSNG_013_Alpha.zip file you have requested: Tools and Utilities / Utilities / QuakeStarter NEXGen v0.13a - 2.28mb is not available. Perhaps try browsing all files for the game Quake III Arena and upload any files you want to share or are missing. This is the only information we could locate:
This is an alpha version of QuakeStarter Next Generation. Server/Map browser, Client/Server options/Player options.