Downloading signotec signoPAD-API 8.6.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the program users are 8.6, 8.1 and 8.0.
We recommend checking the downloaded files with any free antivirus. This free PC software is developed for Windows XP/Vista/7/8/10/11 environment, 32-bit version. The actual developer of the free program is signotec GmbH. The software is categorized as System Utilities.
From the developer:
signotec signoPAD-API performs a test of availability of pen pad Queries about the pad parameters such as serial number, firmware version, screen resolution, etc. Setting of optical parameters for the OCX such as background colour, pen colour, line thickness, pressure, etc.
You may want to check out more software, such as SLT Reverse Directory, ThinkPad-Konfiguration or maxx PDFMAILER, which might be similar to signotec signoPAD-API.