Glukalka emulates the 48K, 128K, Pentagon 128K, and Scorpion ZS 256. Another Excellent ZX Spectrum Emulator.

Some features include:

Loads from:
- Snapshots in .SNA or .Z80 format,
- Tape images in .TAP, .TZX, or .WAV format
- Disk images in .TRD or .SCL format
- Poke instructions in .POK format

Saves to:
- Snapshots in .Z80 format
- Tape images in .TAP, .TZX, or .WAV format
- Disk images in .TRD format
- Poke instructions in .POK format

Additional features:
- Graphic User Interface using OSF/Motif
- Support for 8/15/16/32-bit color resolutions
- Normal and double screen size
- Video effects such as Bilinear Filtering and Scan Lines
- Full Screen ability
- It's possible to use real tape recorder with the emulator
- AY volume leds
- Emulator configuration in file '.glukalka' in your home directory