> and supports bridging to other types of networks which aren't matrix-based
Turn any XMPP client into that fancy multiprotocol chat app that every cool kid want.
> Signal, Telegram, Discord, Steam, Mattermost, Facebook, Skype
Spectrum is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks.
https://github.com/louiz/biboumi
Biboumi is an XMPP gateway that connects to IRC servers and translates between the two protocols. It can be used to access IRC channels using any XMPP client as if these channels were XMPP MUCs.
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I'm using all of those daily to connect to all my other accounts, Slidge is the most modern one and is having lots of features ported to the modern XMPP extensions.