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I want to setup a collaboration server, and I found openfire which, I think, is free. I tried to install in on a Fedora linux box, but I kept getting errors. When I would try to run the service I would get something like &quot;job for openfire.service failed&quot;, I looked in the log, and ran systemctl and systemctl had something about &quot;openfire.service &nbsp;failed openfire is an xmpp &quot;<br />
so I googled these things and really didn't find much. <br />
So I started thinking. Does anyone know of other collaboration servers? I saw Zimbra, but I think I have to pay for it. <br />
I even tried to install openfire on a windows 10 pc, but still had problems, and it wouldn't start.
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I want to setup a collaboration server, and I found openfire which, I think, is free. I tried to install in on a Fedora linux box, but I kept getting errors. When I would try to run the service I would get something like "job for openfire.service failed", I looked in the log, and ran systemctl and systemctl had something about "openfire.service  failed openfire is an xmpp "
so I googled these things and really didn't find much. 
So I started thinking. Does anyone know of other collaboration servers? I saw Zimbra, but I think I have to pay for it. 
I even tried to install openfire on a windows 10 pc, but still had problems, and it wouldn't start.

collaboration server

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.

Linux

A Linux distribution is an operating system made as a software collection based on the Linux kernel and, often, on a package management system and are available for a variety of systems. A typical Linux distribution comprises a Linux kernel, GNU tools and libraries, additional software, documentation, a window system (the most common being the X Window System), a window manager, and a desktop environment. Most Linux systems are open-source software made available both as compiled binaries and in source code form, allowing modifications to the original software. Over three hundred distributions are in active development, including commercially backed distributions (such as Fedora, openSUSE and Ubuntu) and community-driven distributions (such as Debian, Slackware, Gentoo and Arch Linux).