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OsmAnd is a mobile navigation application and vector map viewer that uses OpenStreetMap data to provide offline map access, turn-by-turn routing, and geospatial tools. It functions as a mobile routing engine and a GPX track recorder, allowing users to navigate and record movement without an active internet connection. The project integrates a mobile interface for contributing to the OpenStreetMap project, enabling users to report map errors and add new points of interest directly from their devices. It also includes a system for visualizing satellite imagery and custom tile overlays on top of

MusicBrainz Picard is a metadata tagger and audio tag editor that identifies and tags audio files using the MusicBrainz community music database. It functions as a plugin-extensible tagging framework and a scriptable file organizer capable of reading and writing tags across various audio formats including MP3, FLAC, and WAV. The project is distinguished by its acoustic fingerprint identifier, which matches unknown music files to known recordings via sonic fingerprints. It features a custom scripting language for automating metadata transformations and organizing files into structured folder h