We do not have Linux version of Passware Kit, but we have a Linux Agent available.
Passware Kit Agent for Linux supports both 32- and 64-bit systems and GPU acceleration. Passware Kit can connect Windows and Linux versions of Passware Kit Agents simultaneously, which means that you can use all the hardware in your network environment effectively for password-recovery processes.
There is no much difference in the recovery speed between Linux and Windows agents. However there are several difficulties in the GPU drivers installation on Linux (depends on the Linux distributive). We have experienced minimum problems with the Debian distributive.
This also allows you to install a portable Passware Kit Agent on a bootable Linux USB drive to run the Agent on any system without logging in and installing on the target computer.
Passware Kit Agent for Linux does not currently support password recovery for MS Money, 7-Zip archives, and MS Office documents with third-party CSPs. Passware Kit Agent for Windows supports all types of files.