balrogg: demonically compacting (up to 15%) lossless Vorbis/Opus recompressor
Summary
balrogg is a lossless recompressor for Ogg Vorbis and Opus that delivers noticeable storage savings (8-12% vs .ogg and 3-8% vs .opus). The project is open source (GPLv3), implemented in C99, with build/install guidance and platform-specific notes. Caveats include limited Opus support and cross-platform build considerations.