OnScreenKeys 5.0.224 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among OnScreenKeys users are 5.0, 4.3 and 4.0.
The actual developer of the software is TWMedTec. 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 OnScreenKeys installer is commonly called OnScreenKeys.exe. OnScreenKeys lies within System Utilities, more precisely Automation.
From the developer:
OnScreenKeys is an assistive technology for people who are unable to use a common computer keyboard or mouse due to a disability. OnScreenKeys provides all functions that you would normally use on a real keyboard as well as many other features that will make any computer work much easier.
You may want to check out more software, such as WinBatch, Girder or Aarons Cliker, which might be related to OnScreenKeys.