Sound Control - App-specific volume control
Bread - Bread is a buy now and pay later platform that lets you buy things in easy installments.
EarTrumpet - Volume Control for Windows
Openpay - Openpay is a payment gateway solution.
Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
Humm - Humm is a buy now and pays later app that allows you to purchase things up to $30000 with up to 24 months to pay.