RealNetworks Creates Industry's First End-to-End Open Source Media Delivery System with Release of Helix DNA Server Source Code

Over 10,000 Developers Join Helix Community Since July

RealNetworks Public Source License Receives OSI Certification

Rob Glaser Webcast Presentation and Live Developer Chat Starts at 11AM PST

Today at

Jan 22, 2003, 00:00 ET from RealNetworks, Inc.

    LinuxWorld, NEW YORK, Jan. 22 /PRNewswire-FirstCall/ --
 RealNetworks(R), Inc. (Nasdaq:   RNWK), the global leader in Internet media
 delivery, (Booth #363), today announced the third source code component of the
 Helix(TM) platform, the Helix DNA Server, is now available to software
 developers through the Helix Community at  With Helix
 DNA Server, developers for the first time have source code access to a major
 end-to-end media delivery platform, consisting of producer, server and client
 components.  Helix DNA Server is the core source code of RealNetworks' Helix
 Universal Server, the 9th generation, multi-format digital media server that
 thousands of webcasters already use to deliver content on the Internet.
     RealNetworks also announced that more than 10,000 software developers have
 joined the Helix Community since its launch in July, and that the Open Source
 Initiative (OSI) has certified the public source license used by the Helix
     "Today we deliver on the commitment we made in July to create a complete,
 open media delivery platform and source code community," said Rob Glaser,
 founder and CEO, RealNetworks, Inc.  "With 10,000 members and proven
 foundational technology, the Helix Community is ready to take flight!"
     Helix DNA Server source code will enable developers to build multi-format
 products for live and on-demand streaming, web collaboration, mobile media
 delivery, in-home streaming, and many other applications.  Helix DNA Server
 streams MP3, RealAudio(R) and RealVideo(R).  RealNetworks intends to add
 support for MPEG-4 after the MPEG-4 systems license terms have been released
 by the MPEG-4 licensing body, MPEG LA.  Developers can create extensions for
 other media types such as Windows Media and QuickTime, or they can license
 these extensions from RealNetworks through the Helix Community.  The Helix DNA
 Server is available for AIX, HP-UX, Tru64, FreeBSD, Linux, Solaris, Windows NT
 and Windows 2000 operating systems.
     Video testimonials supporting the Helix DNA Server from Cisco, HP, and Red
 Hat are available at
     Helix DNA Server is the third release of source code into the Helix
 Community.  In October, RealNetworks released the Helix DNA Client source
 code, which enables developers to build playback applications that support any
 format.  In December, RealNetworks released the Helix DNA Producer, which
 enabled developers to build encoding applications that support any format.
 The Helix platform has already received wide industry support from the likes
 of Cisco, HP, IBM, Network Appliance, nCUBE, Nokia, Oracle, PalmSource,
 Pinnacle Systems, Red Hat, Sun Microsystems, Symbian, Virage, Volera and many
     Helix DNA Server Features
     The Helix DNA Server offers a robust source code base for developing
 digital media delivery products including:
     -- 9th generation media server
     -- Industry standard streaming media protocol and transports including --
        RTSP, RTP, SAP and SDP
     -- Live and on-demand broadcasting
     -- Native MP3 support
     -- RealVideo and RealAudio codec/file format support *
     -- Administration, monitoring and logging
     -- Full client authentication support, such as for pay per view services
     *Available for free under the RPSL, included in the RCSL royalty for
 commercial distribution.
     Helix DNA Server Licensing
     The Helix DNA Server will be licensed under both a public source license
 and a commercial community source license. Both licenses are free of charge
 for research and development use.  The public source license has no royalty
 for use or distribution; the RealNetworks Community Source License (RCSL)
 includes a $500/unit royalty for commercial use of the Helix DNA Server with
 RealAudio and RealVideo support.
     RealNetworks' Public Source License (RPSL) has been certified by the Open
 Source Initiative (OSI), a non-profit corporation dedicated to the management
 and promotion of the open source community.  This certification is a part of
 the OSI Certified Open Source Software certification mark and program.
     "RealNetworks has crafted a license which meets the rules and standards of
 the OSI Certified Open Source Software certification program," said Russ
 Nelson, vice president, Open Source Initiative.  "We recognize RealNetworks in
 achieving this milestone and look forward to great open source contributions
 from the Helix Community."
     About Helix
     Helix is the open multi-format digital media platform.  The Helix platform
 consists of source code developed by RealNetworks over the past nine years for
 the creation, delivery and playback of digital media, as well as a set of
 interfaces for building media-enabled applications.  With over 10,000 members,
 the Helix Community uses this source code to build media-capable products with
 industry-leading technology, intellectual property and commonly used
 interfaces. The Helix Community offers source code of the Helix platform under
 two source licenses, the RealNetworks Community Source License and the
 RealNetworks Public Source License -- available at
 RealNetworks has also released a family of products built on top of the Helix
 platform, including the Helix Producer, Helix Universal Server, Helix DRM and
 RealOne(TM) Player.
     About RealNetworks
     RealNetworks, Inc. is the global leader in Internet media delivery. It
 develops and markets software products and services designed to enable users
 of personal computers and consumer electronic devices to send and receive
 audio, video and other multimedia services using the Web. Consumers can access
 and experience audio/video programming and download RealNetworks' consumer
 software on the Internet at RealNetworks' systems and corporate
 information is located on the Internet at
     NOTE:  RealNetworks, Helix, RealOne, RealAudio and RealVideo are
 trademarks or registered trademarks of RealNetworks, Inc.  All other
 trademarks are the property of their respective owners.

SOURCE RealNetworks, Inc.