Jabber sells proprietary instant-messaging software--both the software application people use for online chat and the server software needed to route the messages over the networks. Until now, its server software worked only on Linux and Solaris, Sun Microsystems' version of Unix.
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Although Jabber's server and client software is proprietary, the company has a tie-in with the open-source programming movement, in which software may be freely viewed, modified and distributed by anyone. For example, the company helps to sponsor an open-source Jabber server software package that uses the same communication standard as Jabber.
Although the commercial software has features not available in the open-source products, the company and the Jabber open-source software group work to ensure they both comply with the communication standard.
More expansion is under way. Jabber expects its server software to work on HP's version of Unix, called HP-UX, early next year, the representative said.
Jabber competes with several others in the growing market for, including Microsoft, America Online, Sun Microsystems, IBM and a host of smaller companies. Investors in the Denver-based company include and .