But there are a ton more including saveable EQ, fading, import and export options, and editing and saving chains of effects. Some of the useful Audacity features include Sync-Lock, Truncate Silence, Silence Finder, and Silence. One of the downsides is that it can be confusing to use when first getting started, but once you get the hang of it, it’s great. It’s commonly used for podcasting and has powerful features. Audacity is a free cross-platform audio editor.