DeskMetrics!

A library that allows software developers to track their software usage, via their (free) Google Analytics account.Tailored to the needs of the independent shareware developers (zero or almost zero cost, familiar reporting by using the existing Google Analytics account, etc).Sample reports: https://www.starmessagesoftware.com/blog/google-analytics-reports-software-applications

The first usage analytics solution purpose-built for distributed software applications on Windows, Macintosh, and Linux provides deep insight into application feature use. Advanced reporting filters data by region, version, OS platform, hardware architecture and more.

millimetrics provide analytics for Windows software, desktop and services.