1. Audacity
Why I picked it: I chose this one for its unmatched audio mixer software free status that’s perfect on any budget.
I open my roundup of the best audio mixer software free with Audacity. It is an open‑source program for recording, editing, and mixing audio on your laptop or desktop computer. It comes with multi‑track support and basic effects that you can apply without paying a cent.
Its workflow lets you cut, trim, adjust volume, and combine tracks manually – I found that particularly useful for cleaning up audio before streaming a podcast. Although its interface may not be the most handsome on the market, updates and revamps are pretty frequent. The most recent stable builds have bug fixes and performance tweaks over older versions. For example, version 3.7.7 was posted late in 2025 with broad format support. I like that Audacity runs on Windows, macOS, and Linux, and you can add third‑party plugins to broaden what the core tool can do.
For my own test, I grabbed it on a Monday, plugged in a USB mic, and recorded a voice‑over while trimming out noise and balancing levels for a livestream trailer I was editing. Then I switched to remixing music tracks on my daily‑use laptop to put a simple backing under spoken word segments. By the time I exported the final MP3 to distribute on social platforms, I’d layered dialogue with ambient sound and fixed up hiss using built‑in filters. It proved itself a flexible choice for hands‑on mixing on a PC without forcing me into complicated menus.