SageThumbs - SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats...
FLAC - A free, open source codec for lossless audio compression and decompression
MysticThumbs - MysticThumbs generates thumbnails of many image types not natively supported by Windows.
Opus Interactive Audio Codec - Opus is a totally open, royalty-free, highly versatile audio codec.
Icaros - Icaros is a collection of lightweight, high quality, Windows Shell Extensions
Vorbis - Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality...