[nrvn]

There have been plenty trusted battle tested open source implementations of WebRTC-based p2p transfer.

Why would I use this one instead of them?

[deely3]

Could you please name these implementations?

[mikae1]

https://file.pizza/

https://github.com/kern/filepizza

Is one. But I've seen more.

[nrvn]

Just a few that are both open source and have the hosted public versions available:

https://github.com/RobinLinus/snapdrop

https://github.com/jchorl/sendfiles

https://github.com/szimek/sharedrop