







XMPP is the Extensible Messaging and Presence Protocol, a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.
Voz Social - comunidade brasileira de XMPP
É um protocolo de código aberto e livre para uso de mensagens instantâneas 1:1, grupos privados, canais públicos, chamadas de áudio e vídeo 1:1 e que é a base da maior parte dos produtos de mensagens no mundo todo. Suas especificações são mantidas pela XMPP Standards Foundation, uma organização sem fins lucrativos que tem como missão promover o protocolo XMPP e seus padrões relacionados.
XMPP BRASIL – Um Servidor Brasileiro de XMPP
Registre sua conta hoje mesmo e comunique-se com segurança e privacidade, longe dos olhos das Big Techs.
Matrix gateway setup with ejabberd
As of version 24.02, ejabberd is shipped with a Matrix gateway and can participate in the Matrix federation. This means that an XMPP client can exchange messages with Matrix users or rooms. Let’s see how to configure your ejabberd to enable this gateway.
isaCloud - comunidade brasileira de XMPP
Este é o isaCloud Messenger. O melhor das mensagens dos anos 90, em 2026.
better-email | sTeam Public
What i find interesting about this article is not the realization that MPI is like email, but the reverse, that human collaboration using messages is like MPI. The suggestion to use SMTP as a transport for things much more complex than emails is something worth looking at. It relates to my belief that the instant messaging difference does not come from the new protocols like XMPP for jabber, but from the new client interface that facilitates short messages in a conversational style. SMTP is equally (if not more) capable of transporting these messages. Sure, SMTP is not designed for "instant" messaging. but todays use of SMTP where my local SMTP server talks directly to your SMTP server, makes email is just as instant.
Quiet - Private messaging. No servers.
Quiet is available for all major platforms. (And eventually the web, too!)

Quiet - Private messaging. No servers.
Quiet is available for all major platforms. (And eventually the web, too!)

proto instant messenger
AIM-inspired group chat on the AT Protocol. Real-time chat rooms, presence, away messages — a safe space for community.

proto instant messenger
AIM-inspired group chat on the AT Protocol. Real-time chat rooms, presence, away messages — a safe space for community.

Matrix and Element: a case study of funding an open protocol for real time chat
Matrix is a distributed comms protocol for real-time chat that looks like it is taking off.
Signal Messenger: Speak Freely
Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Beeper — All your chats in one app
Get the most popular messaging services, all in a single app. WhatsApp, Signal, Instagram, Telegram, and more.

What is Messaging Layer Security (MLS)?
Messaging Layer Security (MLS) is an IETF working group building a modern, efficient, secure group messaging protocol.