Audacity is a free, open-source audio editing and recording software available on Windows, MacOS, and Linux. It offers tools for recording, mixing, editing, and enhancing audio, supporting multiple tracks and a variety of formats. With features like plugin support, AI-powered effects, and deep audio analysis, it's suitable for musicians, podcasters, audio editors, and radio creators. Audacity’s intuitive interface and extensive toolset make it accessible to both beginners and professionals working with sound.