The most popular alternative is EarTrumpet, which is both free and Open Source. If that doesn't suit you, our users have ranked 3 alternatives to WALE so hopefully you can find a suitable replacement. Other interesting WALE alternatives are Sound Lock (Free) and volctl (Free, Open Source).
- Ear Trumpet - Volume Control for WindowsSupported operating systemsWindows 10CreditsDavid Golden (@GoldenTao)Rafael Rivera (@RiveraR)
- Sound Lock allows you to limit the volume of your playback by detecting the loudness and lowering it to the level you have set.
- Volctl - Volume Control per application from System Tray for Linux
Volctl is a free and opensource app for Linux writen in python and gtk+ and that can be used to control volume per application and for enabled pulseaudio outputs from the system tray.