GXSM
Scanning Probe Microscopy Controller and Data Visualization Software
...High-Speed external PAC-PLL hardware option with digital DSP link.
Based on several hardware options it supports a commercially available DSP hardware and provided also Open Source Code for all the low level signal processing tasks and instrument controls in a most flexible and adaptable manner.
All latest software is available via github.com/pyzahl/Gxsm4 (source code) or as binary for Ubuntu on https://launchpad.net/~totto/+archive/ubuntu/gxsm