Qaop v1.3 is released. Qaop is a ZX Spectrum emulator Java applet.

Emulates Speccy 48K.
Good Z80 and screen emulation.
Sound: speaker and AY.
Loads SNA and Z80 snaps.
Loads TAP tapes.
Supports Gzip and ZIP compression.
2x zoom.

Download: Qaop v1.3
Source: Here