Apps similar to Openfire include Matrix, which is free and open source. Other options are Trillian, Cisco Webex, Prosody and ejabberd. You can choose from more than 10 Instant Messengers like Openfire for Linux, Mac, Windows, the web and Android.
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.
United Kingdom
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
United States
Leading solution for video conferencing and webinar hosting, features document sharing, voice conferencing, video recording, screen sharing, and supports up to six webcams, making it ideal for secure and scalable online meetings across platforms.
United States
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...
ejabberd is an open source Jabber/XMPP server designed from the ground up to be the building bricks of highly critical messaging systems. Designed to be massively scalable, it is used to power web scale deployments across many software industries.
FreeConference.com is the original free conference calling service, offering free and reliable video & conference calling solutions.
Canada
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 ).
Instant Messaging (IM) server for internal and secure collaboration over corporate and business networks. It provides Active Directory support, message and file archiving, offline messaging and document distribution with a strong encryption of data.
Russia
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'.
The core of your corporate communications, based on the advanced architecture, with support for UltraHD video conferencing, built-in messenger and a free version for 1,000 users.
United States
