Feel free to stop using the internet then, since it is built on apache / nginx / python / java / javascript / php and many other open source technologies.
I have a couple things up on GitHub that are fit for my purpose but you probably don’t want to be using if your threat model is higher than “huh, that doesn’t work”.
I have no expectations that anyone will ever read the code much less use it but it costs exactly nothing to put it out there on the off chance it may be useful to somebody.
So, yeah, I should be responsible if someone hacks some crypto kitty clone and makes off with a billion dollars?
Passing out poison for free doesn't go too well in real world, I don't see why software should be really different.