The q3atoolsgui153.zip file you have requested: Tools and Utilities / Tools / Q3Tools GUI v1.53 - 44.99kb 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:
Q3ToolsGUI is a front end for the Quake3 tools q3map.exe and bspc.exe. It has alot of handy functions and will make your map compiling much easier.