Hinweis: Der Emulator ist nicht neu, er ist vom 02. April 2005.
JaS - Java Spectrum Emulator is a Spectrum emulator written in Java. It was developed by Alberto Sánchez Terrén during 2003 and 2004, as the result of his Final Course Project in Computer Science. The emulator is Spanish only but should be easy to understand and use.
Note: the emulator is not exactly new, it was compiled at 02. April 2005.