FreeIPA VS vaultwarden

I also want to try FreeIPA but as it's built on top of 389ds I'm afraid that it's gonna be as big of a memory hog (will try it later anyways) and has many things I don't and won't need, which I'm afraid would add complexity to setup.

FreeIPA server and replicas

A good place to start might be FreeIPA.

FreeIPA1 is not written in PHP. I believe you are confusing it with another project, maybe FreePBX which is written in PHP?

I had Fedora 34 installed to an SD card for a FreeIPA node which worked well. It was most likely an earlier release (32 or 33) running on a Pi 3B which would occasionally run out of memory, so the whole thing got transplanted to a Pi 4 with 4GB. I'm pretty sure I used the disk image to install since I like to start from a minimal image and only install what I need.

Take a look at FreeIPA

https://www.freeipa.org/page/Main_Page and https://github.com/freeipa/freeipa/tree/master/doc/workshop

To people who want to self-host this, look at Vaultwarden which is a fully compatible alternate server with even more features:

https://github.com/dani-garcia/vaultwarden

Been running it for a year with 0 issues.

For passwords and 2FA I use Bitwarden in combination with a self-hosted Vaultwarden service (for imcreased security and use of pro features for free).

Vaultwarden as Password-Safe

I have a lot of software that I host myself on my home server, partly to save money but also because I want to control my own data. For example, I host VaultWarden which is the open source server for BitWarden. This gives me all the premium features for free with the added bonus of keeping my passwords out of the cloud.

Self hosting is incredibly easy with vaultwarden (https://github.com/dani-garcia/vaultwarden)

I have now switched to using the BitWarden app with the self-hosted VaultWarden server. I have set it up, so my passwords are only accessible when connected to my home network either physically or with a VPN (I am using tailscale for this).