There are many alternatives to ejabberd for Linux if you are looking for a replacement. The best Linux alternative is Matrix, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to ejabberd and seven of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to ejabberd are Prosody, Openfire, MongooseIM platform and jabberd.
Open standard protocol enabling decentralized, encrypted instant messaging, VoIP signaling, IoT device connectivity, and persistent data management across federated servers without central control or single points of failure, bridging communication platforms.
Prosody is a modern flexible communications server for Jabber/XMPP written in Lua. It aims to be easy to set up and configure, and light on resources. For developers it aims to be easy to extend and give a flexible system on which to rapidly develop added functionality, or...
Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and...
MongooseIM is aimed at large, complex enterprise level projects, where real-time communication is critical for business success. It provides high availability, ease of deployment, development and reliability in production.
Jabberd project has been rewritten from the ground up to be scalable, architecturally sound and to support the latest X.M.P.P Extension Protocols coming out of the X.S.F ( XMPP-Standards-Foundation : foundation for XMPP standards ).
Apache Vysper aims to be a modular, full featured XMPP (Jabber) server. It has highly modular design. The core of XMPP is defined in the standards RFC3920 and RFC3921. XMPP is more commonly known as 'Jabber'.
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Prosody uses less system resources than ejabberd. It also is simpler to setup and has automated TLS certificate functions integrable to Certbot's --deploy-hook.