Z64K (2019/04/26) is released. Pixel exact emulation of the Commodore 64, VIC 20 and Atari 2600 written entirely in Java. The emulators should run on any platform with an updated java runtime environment installed.

Z64K Changelog:
26 April
Minor tweaks to sound latency reporting.
Major rewrite of Audio plugin. Options to change sample rate and buffer size available on the General tab of Global settings.

Download: Z64 (2019/04/26)
Source:Here