WhatsApp is, or used to be, based on a heavily modified version of ejabberd, whi... | Hacker News

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alderz on Jan 12, 2021 | parent | context | favorite | on: Teamspeak 5 to be based on the Matrix protocol

WhatsApp is, or used to be, based on a heavily modified version of ejabberd, which is a XMPP server written in Erlang.

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