Audacity
Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Developed by a group of volunteers as open source.
Audacity 是最受欢迎的免费跨平台的开源音频编辑器之一。它可以在 Windows、macOS 和 GNU/Linux 设备上下载和使用，并且长期以来维持更新，功能也十分丰富。