xoscope is a digital oscilloscope using input from a soundcard or
EsounD and/or a ProbeScope/osziFOX and will soon support Bitscope
hardware. Includes 8 signal displays, variable time scale, math,
memory, measurements, and file save/load.
This project delivers Linux support (USB driver and Tools) for a Digital Signal Processor (DSP) cards of the Signal Ranger series, see http://www.softdb.com/product_dsp.shtml for details) connected to a Linux host via USB.
...Data collection can be achieved by one of these devices: PICADC (free Microchip PIC solution developed by me [will make publicly available soon]), MC Measurement Computing (MCC) board or any SoundCard with Line In or Mic input (used for spectral analysis).