GPX Analyzer Project is an independent open-source software publisher, hosted on GitHub, whose catalog currently comprises two distinct packages addressing specialized data-processing needs. Its flagship product, GPX Analyzer, is a command-line utility designed to inspect and interpret GPX activity files, the XML-based format widely produced by GPS devices, fitness trackers, and outdoor navigation applications. Typical use cases include extracting statistics and structural details from recorded routes, tracks, and waypoints, making the tool useful for developers, athletes, hikers, and data analysts who need scripted or automated examination of location data without relying on heavyweight graphical applications. The publisher's second product, OKF4net, is a zero-dependency .NET implementation of the Open Knowledge Format (OKF) specification version 0.2. This library enables developers to parse, validate, index, and construct graphs from OKF knowledge bundles, providing a lightweight building block for applications that organize structured knowledge or interlinked datasets. Because it carries no external dependencies, OKF4net can be integrated cleanly into existing .NET projects across desktop, server, or embedded contexts, reducing maintenance overhead and version conflicts. Taken together, the portfolio reflects a focus on standards-oriented developer tooling: software categories represented include command-line analysis utilities and portable class libraries for structured data formats. Both products are distributed as open source, inviting inspection, contribution, and reuse under the project's repository. Organizations and individual developers working with GPS activity data or with knowledge-format ecosystems can adopt these tools to streamline parsing, validation, and analytical workflows within their own pipelines and applications, while benefiting from transparent source code and community-driven development practices.