ICQ is still around, I’m not sure how much it’s in use, but it’s still there :-). Source: over 1 year ago

You know it's still around? I logged in with my 8 digit UIN a few years back and boom, back on. Of course none of my contacts have been seen "for a very long time". Source: over 1 year ago

ICQ.com still works, I still have my mid 90s UIN. Although I haven't had a contact online in forever. Good memories! Source: over 1 year ago

And another far-from-original variant is still kicking, aptly named ‘ICQ’ [1]. AOL sold off its ICQ assets to Digital Sky Technologies (now Mail.ru) group [2] which continues to develop and invest in it to this day. From what I understand, like LiveJournal (acquired similarly by a Russian company Rambler [3], ICQ continues to have a sizable user base in Eastern Europe from what I gather. [1] https://icq.com. - Source: Hacker News / over 2 years ago

The only private alternatives are going to be self hosted and will require some technical skill. See owntracks for details. Source: about 1 year ago

On your side, you need some way to be tracked. Easy solution is an app on your phone, I like OwnTracks as a privacy-respecting option. Source: over 1 year ago

Sounds like owntracks with a android headunit https://owntracks.org/. Source: over 1 year ago

OwnTracks is app people can install on their phones that you can setup to send live gps coordinates back to your web server. Source: over 1 year ago

One container where this would have been an issue for me is OwnTracks recorder. Probably could have got it working on ARM if I wanted to compile the program then create a container around it, but didn't want to spend the time and instead just used the free tier x86_64 VM. Source: over 1 year ago