While it's still around, you could check out the Byzantine Daily Office (BDO;
https://ecpubs.com/byzantine-daily-office-bdo/). There is both a mailing list and an app (ECPubs) that you can use, and they sent the hours and vespers with all changeable parts included every day.
They sent out an email recently saying that they might be closing it down soon due to a lack of funding. It's unfortunate because it seems to be the most convenient electronic horologion I can find.
And here's an introduction to the Divine Praises:
https://mci.archpitt.org/liturgy/DailyCycle.htmlThere's lots of great resources on the MCI's website that you can browse through as interested as well.
Further, while it's nowhere close to a substitute for a parish community, the What God Is Not podcast can give a feeling of connection with the Byzantine community (available on "all the platforms"):
https://whatgodisnot.com/