BSGPS 3.5.3.42 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 following versions: 3.5, 1.3 and 1.0 are the most frequently downloaded ones by the program users. This free software was originally created by Bettersoftware. We recommend checking the downloaded files with any free antivirus. BSGPS is included in System Utilities. The program's installer is commonly called BSGPS.exe.
From the developer:
BSGPS is a GPS application for Windows. With a GPS receiver connected, it turns your laptop into a functioning GPS system. It now supports Tile Maps from OSM,Google, Maps-For-Free,Yahoo, Microsoft , Cloudmade, Eniro(Norway, Sweden, Finland), Statkart(Nautical) (Norway).
It includes many different layers and overlays, and can be used without an internet connection after the map tiles have been downloaded and stored locally.
You may want to check out more software, such as BSGP, which might be similar to BSGPS.