Recommended and mentioned products
Block ads, trackers and malicious websites on all your devices.
While you wait for replacement hardware, look at nextdns.io. I tried it to see if it could fully replace my pihole setup, but ended up back on pihole.
Dietpi is a debian based operative system made to install new apps easyer.
Technitium DNS Server is an open source tool that can be used for self hosting a local DNS server for privacy & security or, used for testing by developers on their computer.
I'm wondering about a new scenario: can I run a personal laptop Pihole that works if I move to many locations per day without setting it up all over again? I saw Technitium DNS but I'm not sure how comparable it is to Pihole.