The completely in Java written C64 emulator Z64K has been updated. Z64K emulates the following systems: C64, C128, VC 20, Atari 2600.
VirtualC64 is a C64 emulator for Mac OS from Dirk W. Hoffmann.
The Commodore 64 emulator Hoxs64 has been updated.
ICU64 is a very interesting monitor for the C64 emulator Frodo. It provides a realtime view of the C64 memory structure.