There are many free/libre alternatives to proprietary daw software!

You can see them below!

Helio Workstation

(in development/unstable)(GNU GPL v3)

Zrythm

(in development/unstable)(GNU Affero General Public License)

Ardour

(stable)(GNU GPL v2)

LMMS

(stable)(GNU GPL v2)

GridSound

(development/unstable)(GNU Affero General Public License v3.0)(web)