Telegram doesn't federate either, but at least they allow forks to connect to their main servers. And it's also available on F-Droid: https://f-droid.org/en/pac

Telegram doesn't federate either, but at least they allow forks to connect to their main servers. And it's also available on F-Droid: https://f-droid.org/en/packages/org.telegram.messenger/ https://f-droid.org/en/packages/org.telegram.messenger/