It comes both in a commandline interface tool and as a C library, both with an easy to use interface. The sort of metadata glyr is searching (and downloading) is usually the data you see in your musicplayer. And indeed, originally it was written to serve as internally library for a musicplayer, but has been extended to work as a standalone program which is able to download everything a modern musicplayer needs to make his user happy.
Features: - Always having more than fallback, and a hit rate of approx. 97% for covers - Portable: Windows and Linux - Fuzzy matching: Search providers with Levenshtein algorithm to eliminate typos and enhance search results. - Fast Download: libcurl is used internally, and sources are searched in parallel
