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1stWorks 1stworks Corporation provides an interactive peer-to-peer collaboration platform that is based on its own patented peer network addressing technology and content management architecture. The company's hotComm client enables drag and drop file sharing, instant messaging, interactive text messaging, voice connections and web tours between participating hotComm users on the Web. hotComm supports multiple communication modes including "Text Messaging" that transmits every single word separately so that the message builds dynamically in front of the recipient and Voice features that direct audio connections between hotComm users.

IM-Live is a component of hotComm that provides immediate, serverless, Internet-based Messaging for sales and service applications, using a Java applet to create a direct, real time connection to customers or prospects. ezPeer provides the platform's dynamic addressing capabilities. See the hotComm User Guide for more details.
Alberg Software HIVE is Alberg Software's Enterprise P2P Platform for developing new, collaborative applications based on Sun's JXTA technology. Unlike Lotus Notes and other collaborative business process management applications, HIVE operates without the use of a central server for regulating processes or storing data. The program also comes equipped with a set of utility components and tools for creating "Discussions", "Instant Messaging", "File Sharing", "Calendering" and other features. The Hive 1.0 Beta is available for download. The Open Lab " The Open Lab" is a non-profit organization established in 1998 at the University of Massachusetts Lowell to provide Open Source software for bioinformatics by hosting its development and keeping biological information freely available. The group has 300 members working on a dozen products. One of which is "Piper", a Peer-To-Peer (P2P) distributed scripting language originally used to build a P2P collaboration tool for distributed bioinformatics applications. A FAQ is available onsite that provide more details about this organization and the nature of its work and projects.
CenterSpan CenterSpan Communications Corporation recently purchased Scour and the Scour Exchange, and will be relaunching as both legal and secure systems for sharing music, movies and images over the Internet. Before aquiring Scour's assets, CenterSpan's already had its own client software, Socket, which provides a "group activity hub" that combines instant messaging with collaborative applications and multiplayer gaming. (See game demonstration page.) Take an interactive tour of Socket's file sharing and instant messaging capabilities.
Collanos Workplace

Virtual collaboration has never been more simple, secure and practical. Within minutes you can be sharing documents, having online discussions, and managing tasks, all in a single, consolidated space. Built on reliable peer-to-peer technology, Collanos Workplace software allows you to work anywhere, anytime, both online and offline.

Collanos addresses the growing pains of teams being overloaded with information scattered across various communication channels, notably congested email inboxes. Ad-hoc cross-organizational teams easily and securely access, update and share team knowledge locally on their computers within the context of their activities. Teams can reach their goals faster and more effectively. The base version of the product is offered free of charge and is available for Windows, Mac and Linux.

Collanos was founded in November 2003 and has offices in San Francisco and Zurich, Switzerland.

Colloquia Colloquia is a Java-based P2P collaboration tool with a built-in network browser interface designed to support and encourage self-organizing groups. Users primarily interact through P2P text messaging, and can share local files or resources downloaded from the Web. Originally developed with the aid of grants for UK Higher Education, the program was inspired by theories of the importance of conversation in human activities, and the importance of context to conversations. Colloquia was designed as a tool for distributed learning, for activities such as teachers providing assignments then directing the resulting conversations, peers setting up study circles, or groups using the software as a project management tool.

Colloquia is free to non-profit educational establishments. It supports Windows 95/98/98SE/ME/NT/2000/XP, MacOS X, AIX, Solaris, Linux, HP-UX, Unix and other Java-enabled Platforms. The program requires Java 2 (included in the download package), a processor speed of 200 MHz or better, 64 Mb of RAM (128 Mb recommended) and 40 Mb of free space. A dedicated email account for the program is also recommended.

Ecocys Technologies Ecocys Technologies develops the TaskShareTM infrastructure, a set of content/data-management tools that use familiar web-based technologies (the Web, e-mail, peer-to-peer computing, and wireless connectivity) to link people, data and devices together into a cohesive collaborative process management system. TaskShare leverages open standards-based technologies such as Java, XML, HTTP, JINI, SQL and SSL, to create a peer-to-peer collaborative technology platform, enabling the creation and management of both lightweight and heavy-duty business processes on-demand. Ecocys Product Suite's Easelet Administrator provides wizards for customizing the configurations of the peer-to-peer infrastructure's service components, while its Process Builder Wizards allow users to create ad hoc "task teams" that share and exchange data, documents and multi-media objects. Team members can collaborate in real-time via chat, video conferencing, instant messaging and e-mail, before integrating the results into the company's existing corporate database.
Engenia Software, Inc. Engenia developes Unity, which is "XML-based web-enabled software for managing corporate and personal data." In other words, it's a collaborative workgroup solution. Unity is a virtual distributed file system that lets users share information, no matter where it resides. In Unity, information is stored in an object that possesses context. Objects in turn are discovered, managed, and maintain currency and relevancy through their relationships with other objects. The content of an Engenia Unity object is its set of properties and methods that define its behavior, user interface, and interaction with other objects. Objects can communicate with each other without the need for a centralized administrator. As each new object enters the system, it can easily interact with existing ones. The company's management team consists of former IBM and Lotus executives. It was founded in 1998, and is currently in second round of financing.
eZ eZmeeting is a peer-to-peer application aimed at facilitating virtual meetings. Its features include a real-time shared whiteboard, real-time chat, and file sharing.
Groove Networks Groove Networks was founded by Lotus Notes creator Ray Ozzie. The company's flagship product, Groove 1.0, is a groupware application (the company likes to refer to it as "peerware") that enables groups of collaborators to form in a decentralized ad-hoc fashion. Groove enables group members to interact in highly secure shared spaces to support collaborative editing in real time. All of a group's documents, messages and applications are stored and replicated across user machines so that all of a group's members can access the materials online or off. Groove Enterprise Network Services provides an outsource model for component management security services. Groove Networks has an extensive developer program. A Groove Development Kit (GDK) containing resources for building tools, skins and Groove-based solutions is available for download. Presentations, white papers and a collection of FAQ are also available.

Check out the article featuring Groove: "How Ray Ozzie Got His Groove Back".
ICQ ICQ (I Seek You) is freely distributed peer-to-peer communication client that supports file transfers, instant messaging, real time chat, e-mail integration, voice messaging, telephony, SMS, and a host of other plug-ins. User connections are validated through the ICQ server, and optionally published in member directories, where they are searchable and can also provide information on a member's online status. In addition to an FAQ and new user guidebooks, ICQ offers an extensive set of developers tools, including groupware for system administrators, web site enhancement tools, and application development tools for modifying or creating new plug-ins and interfaces based on the ICQ API.
Ikimbo, Inc. Omniprise is Ikimbo's enterprise-level groupware application framework. Omniprise provides a unified platform for inter-organizational communication, including support for: instant messaging, group email management, real-time and asynchronous group communication, and file sharing (both client-server and peer-to-peer). Privacy, security and group administration tools are also included.
Oculus Technologies Corporation Oculus Technologies Corporation's Oculus CO is a peer-to-peer application used to increase the flow of information within an extended enterprise as a means of smoothing out the product development process and enabling people to make better decisions. Oculus P2P provides an infrastructure "glue" for integrating disparate data, applications, platforms, and organizations together using a 4-Tiered peer-to-peer (P2P) architecture to provide a completely decentralized and secure computing environment. Ford motorcompany announced that it will be using Oculus CO to enable its remotely-located design teams to collaborate with each other across numerous operating systems and applications. Ford believes that Oculus CO will provide a collaborative environment in a vendor-neutral environment that will greatly improve its design processes.
Onobee Onobee is a Java-based distributed collaboration and secure, real-time communications suite. It is designed to be a self-organizing network solution that scales from very small groups to large-scale corporate networks. Onobee provides plain or styled text Instant Messaging (IM), file sharing via a "pushing" transmission, audio and video teleconferencing, a collaborative white board, image sharing, a simple built-in Web browser and an online/offline email tool.

Onobee has no central server and supports Windows 98/2000/NT/XP, Macintosh, Unix and Linux peers. Operating systems other than MacOS 10.1 (or later) require Java Web Start, and video and audio functions require Java Media Framework (JMF). A free, 30-day trial version of Onobee is available for download.
Outhink Outhink has recently launched our personal networking software, SpinXpress. SpinXpress lets you work, person to person, securely, via the Net. You can exchange content, synchronize forms and data and share large files of any typeand size. SpinXpress works across firewalls and without the need for security policy change and/or the need for IT engineering support. Additionally we offer a thin client option (email w/url link) to send and receive files without requiring the person your sharing with to download the software.
P2PQ P2PQ is a freely-available client-server system that uses a modified instant messaging framework to capitalize on the shared knowledge of unique individuals. Users ask questions and have answers returned to them using a simple form-based interface to input or access information from any device. P2PQ's integrated feedback system filters questions and then redistributes them to the appropriate parties based on each users' pre-specified fields of knowledge. "Answers" are generated by combining a question's aggregated responses with the user ratings of each expert "source." Currently, a Windows 95/98/ME/2000/NT version of the P2PQ Client Beta is available for download. Linux and Mac OS versions are in the works.
Piper Piper can be looked at in two ways: as a distributed scripting or programming language, and as a distributed bioinformatics collaboration tool. In the Piper paradigm everything is a node, certain nodes input and output data, every node has an Internet address, and nodes can be linked to define relationships, procedural steps and data flow. A node might represent an online database, for example. Each node has a Graphical User Interface (GUI) defined in XML. The interface has XML descriptions and some widgets. In bioinformatics, for example, a user might have a molecule widget to work with. With the Pied/Piper User Interface (Pied/Piper UI), the user has access to a Peer-To-Peer graphical scripting language (or if low level objects are linked, a graphical programming language). Piper is licensed under the GNU Lesser General Public License (LGPL).
The uServ Project uServ is a Java-based P2P work collaboration system based on the IBM Almaden Research Center's XML-based Vinci. Vinci is a wide-area service-oriented architecture that has similarities to (and is made to interoperate with) technologies such as Jini, .NET and E-Speak. (See Vinci: A Service-Oriented Architecture for Rapid Development of Web Applications for more about Vinci.)

Unlike file sharing programs and protocols like Napster or Gnutella, collaborative programs like Groove or Lotus Notes, Instant Messaging (IM) programs like I Seek You (ICQ), or dedicated servers like Apache, uServ is designed to allow users to pool resources for publishing, hosting and file sharing using no special hardware, no special software and the common existing protocols Hypertext Transfer Protocol (HTTP) and Domain Name Service (DNS).

Each user installs uServ and is assigned a domain name (based upon their email address) that always identifies that machine, including machines that are assigned Internet Protocol (IP) addresses dynamically by their Internet Service Provider (ISP) and/or are behind a firewall. Content that is shared with others in a resource sharing group persists when individual computers are shut down. uServ currently serves approximately a thousand users on an IBM Almaden Research Center intranet. IBM is working on some additional deployments, but ultimate licensing and deployment are currently undetermined. The uServ FAQ says, "License agreements are possible but the process is complicated."
Tpresence, Inc. TPresence, Inc. was founded by Carnegie Mellon scientists in 1997 to provide a "distributed web solution" for online businesses. The company is using P2P to create an interactive, collaborative web experience, using shared resources. The company's IntelliPresence Network Architecture is comprised of: the Content Distributor server, the Distributed Web Coordinator and the Distributed Web Engine. The three combine to provide a distributed network server to an individual's desktop. IntelliPresence is free to end users. A browser plug-in provides a three-paned interface consisting of: the Connector (a navigation selection tree), a Virtual Reality/3D browser and a conventional 2-D browser. Multiple users are able to share documents or rich media data in a peer-to-peer or peer-to-many fashion. Tpresence was a Pentium 4 launch partner, and the software is characterized by Intel as a business-optimized collaborative 3-D data sharing tool.
Wannafree Welus is the developer of the Wannafree Peer-To-Peer communications application. Wannafree offers several knowledge sharing methods, including news group, Internet board, real-time chat and Instant Messaging (IM). A primary focus of the product is support of anonymous operation. The application keeps Internet Protocol (IP) addresses confidential and uses ID codes as identifiers rather than personal information. When using the Secret Group feature, communications between registered group members are encoded with a 1024 bit encryption key. The Wannafree protocol changes its topology simultaneously and non-periodically to make the network architecture difficult to trace. Wannafree supports Windows 95/98/Me/NT/2000. 10 Mb of installation space, a Pentium and 32 Mb of RAM are recommended (a 486 with 16 Mb of RAM is supported). The program is available as a free download and a Manual is also provided.
WebDAV WebDAV (Web-based Distributed Authoring and Versioning) is a set of extensions to the HTTP protocol being developed at the IETF to allow users to collaboratively edit and manage files on remote web servers. A recent trend towards running web servers everywhere (e.g., on laptops) means WebDAV can be used for file sharing and other P2P uses.
WorldStreet WorldStreet Corporation's WorldStreet Net provides a collaborative peer-to-peer networking platform for exchanging information and conducting secure global ecommerce transations. Its collaboration features can be integrated into a financial firm's existing applications, workflow and business processes within any type of networking environment (web, extranet, private network, peer-to-peer).