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Cloudflare
(alien.top)
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
For Example
We welcome posts that include suggestions for good self-hosted alternatives to popular online services, how they are better, or how they give back control of your data. Also include hints and tips for less technical readers.
Useful Lists
There are many similar services, depending on your needs.
...
Just to name two famous ones.
Here is a full list https://github.com/anderspitman/awesome-tunneling
I was going to share the same link but you beat me :D
I work on one mentioned, zrok.io which is both open source and has a free SaaS.