a flexible audio converter software, which is able to convert in a batch mode between a lot of audio formats. Additionally the Transcoder uses plugins to add more functions for transforming and playing audio files.
al free universal audio/video batch transcoder, putting together lots of excellent audio/video codecs and tools from the open source community into an all-in-one solution, capable of transcoding among different audio/video formats with many extra features
A bit more feature powered than Zamzar. With more formats and a bit more complicated interface. However, I can guarantee you that it’s worth the usage. No email needed. 100Mb limit
free music-recognition robot/service. It allows you to identify unknown piece of music (pieces of 15-45 seconds audio), in almost any file format and with any bit-rate. Uncompressed, ADPCM and other waves (.WAV), MPEG-1 Layer III (.MP3), Ogg Vorbis (.OGG), FLAC, Flash Video (.FLV), .AMR, .MP4, and more. Only modern popular music, old jazz and classics as also some Russian music.
Transcription Software Player, note the attempt to install crapware, missing automatic sound wave analysis for silent spaces that would permit a better navigation of the recording.