Open Source C++ Audio Analysis Software for Windows

Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the LibreOffice or Apache OpenOffice office suites and entire Linux-based operating systems such as Ubuntu

MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files.

This software is a music tutor: it helps you learning to play an instrument. It guesses the score you are playing, and measures your precision at the task, thus allowing you to improve. It also lets people playing in versus mode.

WavetoMidi converts from audio,wav,mp3,etc to midi detecting the notes on the source audio with polyphonic result to midi, the result is not exactly as expected but in newer versions it could be.Uses a easy and customizable graphic user interface.