Version 2.3.03 is a minimal update with some bug fixes.
XC=BASIC is a dialect of the BASIC programming language for the Commodore 64 and xcbasic64 is a cross compiler that compiles an XC=BASIC program to 6502 machine code trough the DASM macro assembler. It runs on Windows, Linux and Mac OS. The name XC=BASIC stands for “Cross Compiled BASIC”.
You can download XC=Basic 2.3.03 for Linux, MacOS and Windows here.