GSnap - With GSnap you can get an auto-tune effect.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Revoice Pro - Revoice Pro is an audio plugin used for vocal tuning, time correction and ADR.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Voxal - Modify your voice in any application that uses a microphone. From girl to alien, the voice options for online video games, avatars and podcasts are limitless.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.