There was a download of Polysmith 8.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Polysmith relates to Multimedia Tools.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular versions among the software users are 8.0 and 6.0. The default filename for the program's installer is Plysmith.exe. The actual developer of the software is Neurotronics Incorporated.
From the developer:
Polysmith is the main user application for recording and reviewing sleep data files. Over thirty years of research has been engineered into the Polysmith automated analysis. The software allows users to customize preferences including colors, workspaces, filters, and scan settings.
You may want to check out more software, such as ABCedit, Taggin' MP3 or Hit-Recorder, which might be similar to Polysmith.