There's crap like https://hola.org/
> How is it free? > > In return for free usage of Hola Free VPN Proxy, Hola Fake GPS location and Hola Video Accelerator, you may be a peer on the Bright Data network. By doing so you agree to have read and accepted the terms of service of the Bright Data SDK SLA (https://bright-sdk.com/eula). You may opt out by becoming a Premium user.
This "VPN" is what powers these residential proxies: https://brightdata.com/
I'm sure there are many other companies like this.