PSLink 4.5.8.4 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. This software is an intellectual property of The Project Group.
We recommend checking the downloaded files with any free antivirus. The software belongs to Office Tools. The following versions: 4.5 and 4.4 are the most frequently downloaded ones by the program users. The PSLink installer is commonly called TestClient.exe.
From the developer:
TPG PSLink is a leading and SAP certified product for the integration of Microsoft Project Server and SharePoint with SAP (modules like PS, PM, CATS and others) and Dynamics AX.
TPG PSLink is very rapidly implemented - in just a few days! This is possible due to its extensive configuration options.
You may want to check out more software, such as PDF Converter Professional, GnuWin32: Sed or Gallery Constructor, which might be related to PSLink.