Ullrich von Bassewitz announced cc65 version 2.11.0 is now available for download. cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, librarian and several other tools.
cc65 has C and runtime library support for many of the old 6502 machines, including the Apple II (and other microcomputers). See the website for complete details on this release.