Audacity is the best-known free audio editor, used for recording podcasts, digitising tapes and records, multi-track editing, noise reduction and mastering.

The project states directly that Audacity has always been and will always remain free for everyone, and that it is proudly open source with its code available for anyone to view or modify.

It has passed 100 million downloads since 2000 and can be downloaded for Windows, macOS and Linux from the official site or via its official distributor MuseHub.