Virtuele werkruimten
Collaborative workspaces

• Informatie
• Kolabora
• Bedrijven en producten / Companies and products
  • Adobe Brio
  • BadBlue (File Sharing Server)
  • BizSolutions
  • Bricolage: "highly capable and extremely customizable Web content management capabilities, suitable for running even the biggest and most complex Web sites" - open source
  • BSCW - (Basic Support for Cooperative Network)
  • Centrinity FirstClass
  • Collaba: a multimedia collaboration and communication server built to provide digital work spaces to virtual educational, corporate, and government communities
  • Collaber: free Java based collaboration platform
  • CollabNet: distributed development on demand (high-level)
  • Community Server: knowledge management and collaboration platform in .NET
    • Skins downloads
    • Also available: Hosted edition
  • Confluence: enterprise wiki
  • Conflux: Enterprise Collaboration Management
  • ContactOffice
  • Cozimo: real-time image and video collaboration
  • CuteFlow : open source webbased document circulation tool
  • Dokmee: document management software
  • Desknow: mail and collaboration server (open source, free)
  • DotProject: open source management tool
  • eProjectOnline
  • FlexWiki - open source written in .Net (zie ook Flexwiki.com)
  • FusePad: Digital Asset management, Project Management, File Sharing, Collaboration with Skype
  • GForge
  • GoToMeeting: online meetings
  • Microsoft Groove Virtual Office (meer...)
  • GroupVille
  • Hotscripts, met een rubriek Collaborative Workspace.
  • HyperOffice
  • Inbit Messenger: Enterprise Instant Messaging & Collaboration
  • IntelliColl (Deksoftware)
  • Intraversion: Version control system
  • Invision: collaboration products
  • KnoSoS: webbased social networking and knowledge management system
  • Knowbase (open source)
  • Lotus Sametime
  • Lucane (FR) (open source)
  • Mail.be (contacten)
  • MayeticVillage
  • Microsoft Office Live
  • MoonEdit
    MoonEdit enables cooperative multi-user text editing over the Internet or LAN. The program is basically a text editor that enables you to host a file for editing, and other users (also using MoonEdit) can collaborate.
  • more.groupware (freeware, PHP)
  • MyEvents
  • NextPage: software for versionning and document collaboration
  • OfficeCalendar: share Outlook calendar and contacts
  • OpenText
  • PHPCollab (open source)
  • Project Soft (.NET)
  • ProjectSpaces
  • Socialtext: enterprise wiki
  • Smartgroups
  • SOOP Portal is a free for all ASP Portal featuring Forums, Polls, News,Page Creator, Guestbook, Skins/Themes, Personal Calendar, EventsCalendar, Country Info etc.
  • SocialEngine is a PHP-based social network platform that lets you create a social network on your website
  • Taskbin: group task management
  • The Square (BE)
  • Toutateam (FR)
  • Tutos
  • Viewcentral: web-based solution for global meetings and conferences
  • Webcrossing
  • Weboffice
  • Wrike: online project management
  • Zoho Virtual Office: web-based collaboration software
• Open Source initiatives
  • Achievo is a Web-based project management and tracking tool for small- to medium-sized companies, aiming to become a fully featured ERP-like system in the future. Features include a time registration module, scheduler, project management, todo's, and several statistical tools. Achievo is multi-language, fully customizable, and uses a modular system to allow future extensions.
  • AgileWiki is a Java-based wiki that provides a virtual wiki for each registered user, complete with access control and versioning. The backend includes a built-in database (which uses flat files) and communicates via RMI to either a Servlet (packaged as a WAR file) or to a Swing client. AgileWiki is also both an application platform and a knowledge management system.
  • aroundme is social networking and team interaction software. It has three central components: a social network, groupware, and activities and task management. It will work with standard Web server configurations, and takes up a small amount of disk space (about 3 Mb). The amount of space given to each user for image storage is configurable at installation. It is easy to install and configure.
  • The ASP.NET Portal Starter Kit demonstrates how you can use ASP.NET and the .NET Framework to build a dynamic portal application. The ASP.NET Portal Starter Kit offers all the functionality of typical portal applications. (.NET)
  • Blue Smiley Organizer is a Web-based script to manage your bookmarks, diary, reminders, to-do lists, contacts, knowledge, and file upload in a multi-user environment. It also includes its own live support help system, blogs, RSS feeds, customizable themes, and a discussion forum. It can also used as an AdSense ready application.
  • Bonita is a flexible cooperative workflow system based on the workflow model proposed by the ECOO Team, which incorporates the anticipation of activities as a more flexible mechanism of workflow execution. This flexibility allows a considerable speed increase in the design and development phases of cooperative applications. The workflow engine is built on EJB (Enterprise Java Beans). The system offers a comprehensive set of integrated graphical tools for performing the process conception and definition, the instantiation and control of this process, and the interaction with the users and other applications
  • Chinook is an online tool for interactive content collaboration. It allows users to upload content in the form of PDF files or PowerPoint presentations, and then view this content and comment on it in a forum environment. It also allows users to upload background material relevant to the discussion, and submit responses with file attachments.
  • Citadel is an advanced messaging and collaboration system for groupware and BBS applications. Users can connect to Citadel using any telnet, WWW, or client software. Among the features supported are public and private message bases (rooms), electronic mail, real-time chat, paging, shared calendaring, address books, mailing lists, and more. Unlike other collaboration servers, Citadel provides its own data stores and is therefore extremely easy to install; you don't have to "bring your own" email and database because they're built in. The server is multithreaded and scalable. In addition, SMTP, IMAP, and POP3 servers are built-in for easy connection to Internet mail.
    • WebCit is a Web-based frontend to the Citadel groupware/collaboration system. It is an attractive Web middleware layer that allows user-friendly access. By combining WebCit and Citadel, you can have a versatile online environment with many users concurrently accessing the same system using the user interface of their choice (text, Web, or downloaded client software).
  • Collabtive is Web-based project management software. It aims to become an alternative to tools like Active Collab or Basecamp. Features include management of projects, todo lists, tasks, milestones, and files, an easy to use interface, multi-language support, an AJAX-based instant messenger, and an AJAX-based online list.
  • The Community Kit for SharePoint is a set of best practices, templates, Web Parts, tools, and source code that enables practically anyone to create a community website based on SharePoint technology for practically any group of people with a common interest.  (.NET)
  • Cosmo is the OSAF calendar sharing server. With your favorite calendar program (Chandler, Apple iCal, Mozilla Sunbird, or any other WebDAV or CalDAV enabled client), you can share your calendar with other people by publishing it to Cosmo. Your shared calendars can be subscribed to and updated by anyone, even if they don't have an account on your server. Cosmo provides Atom feeds for shared calendars, so you can track updates in your favorite feed reader and integrate your calendar into your Web site or blog.
  • ConTagged is a Web-based address book for small companies. It features a public address book which is writable for all company staff and a personal address book for each staff member. Contacts can be grouped and looked up flexibly by assigning tags to them. It requires an existing LDAP server to authenticate users and to store the contact data.
  • Contelligent is a J2EE content management system that is targeted at developers and integrators. It provides an advanced package mechanism for development and deployment of Contelligent projects and extensions. Contelligent implements a component based approach that allows reuse of existing content, layout, and application logic in various contexts and for new unplanned needs.
  • Contineo is a Web-based document management system. It assists its users by managing documents in most popular formats. Contineo aims to fulfill all phases of the document lifecycle. You can create and develop documents by using office software. With contineo itself, you can publish, search, and manage the versions of documents. Furthermore, you can communicate with other users directly or via email.
  • Cyberience Project Manager is a Web-based application for enhanced collaboration and productivity for a project-based business. The application incorporates functionality including to do lists, milestones, time tracking, file uploads, bug tracking, notice board, invoice tracking, checklists, multiple users.
  • The DAViCal CalDAV Server (previously called the Really Simple CalDAV Store) is a server implementation of the CalDAV protocol for storing calendaring resources (iCalendar format) on a remote shared server. An increasing number of calendar clients support the maintenance of shared remote calendars through CalDAV including Mozilla Calendar (Sunbird/Lightning), Evolution, Mulberry, Chandler, and soon Apple's iCal. DAViCal supports basic delegation of read/write access among calendar users and multiple users or clients reading and writing the same calendar entries over time.
  • Deme is a Web tool to host asynchronous meetings including discussions, document comments and collaborations, straw polls, and decision- making for small to medium groups of people. It also provides features useful for groups including file storage, member lists, and the like. It is intended to create an environment to allow participation and help strengthen organizations critical to civil society.
  • dotProject is a volunteer supported Project Management application. There is no "company" behind this project, it is managed, maintained, developed and supported by a volunteer group and by the users themselves. The site has tutorials and more.
    • Courses
    • Demo
    • Freshmeat page
  • easyNotes is a Web application for managing notes within a large group of different users.
  • eGroupWare is a Web-based groupware suite. It contains many modules, including Calendar (personal calendar and group scheduling, notifications and alarms), Mail (Email (IMAP and POP3) or FeLaMiMail (IMAP only)), InfoLog (todos, notes, and phone calls linked to contacts (CRM)), Contacts (an addressbook to store and share contact information), and SiteMgr or JiNN (content management).
    • Sites
      • Egroupware.org
      • Egroupware.ru
      • Freshmeat
      • Sourceforge
    • Tutorials
      • Nexcess: installation
      • Screenshots
      • Siteground
    • Hosting
      • Haisoft
      • Odsol
      • Nexcess
      • SiteGround
      • Ubiquity
    • Users
      • EGFU: utilisateurs francophones d'eGroupware
      • Egroupware forum
      • Groupware4all (DE)
    • Tools
      • Synchronisation
    • Services
      • CN Global
      • eGroupWareSupport
  • ELOG Electronic Web Logbook is an electronic logbook with a Web interface. It can be used to maintain personal or shared logbooks, with the ability to add attachments to logbook pages. Logbook entries can be categorized with user-defined classes, and queried using filters on these classes. Automatic email notifications can be generated on new entries based on the classes. The ELOG server is a small stand-alone C program, which runs under Linux and Windows. No other packages are required. The logbooks are saved in plain ASCII files for easy and fast access.
  • Epiware is an AJAX-enabled Project and Document Management Web application that provides access to a complete set of file management functions, including document check-in, check-out, version control, approval, change notification, and access history. It enables the creation of virtual teams by providing an online workspace for users to collaborate and exchange information in a secure, protected setting.
  • FinScribe is a flexible Web authoring application which provides wiki and weblog authoring functionality in one application (commonly referred to as a "bliki"). Originally written as a technology demonstration for the Fins Web application framework, FinScribe has grown into a full featured application that offers the best features of many different applications in one easy-to-use package.
  • GForge is a Web-based collaborative development environment. It's based on a fork of the 2.61 SourceForge code, which used to be available via anonymous CVS from VA Software, but has been extensively rewritten and enhanced.
  • GROUP-E is collaboration software which integrates groupware, project management, and business server on one platform. The solution is based on a LAMP architecture (Linux, Apache, MySQL, PHP). GROUP-E offers project management, transparent Samba (file server) integration, integration of Cyrus IMAP server with administration and personal SIEVE filters, support for SyncML 1.0, LDAP-based user management with single sign-on authentication, and LDAP contact databases.
  • Group-Office is a Web-based office suite written that is extensible with modules. It features user management, module management, an email client, a file manager, a calendar, project management, Web site management, and customer relations management. It also features synchronization with PDAs and Outlook.
  • GroupServer is a Web-based collaboration server which provides personalized content structure with member directories and mailing lists, featuring posting by topic, RSS and email digest modes, document sharing, and Web-based group management. It renders XML content dynamically using XSLT.
  • Horde Groupware Webmail Edition is a free, enterprise ready, browser based communication suite. Users can read, send and organize email messages and manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.
  • IGSuite is a Web-based groupware collaboration suite. It gives you a "box" of applications that includes wiki, email, documents, calendar, tasks, fax, contacts, notes, links, and more. The power of collaboration comes in when these individual suite components are shared and used within a group. It strives to provide location independence, platform independence, machine independence, and browser independence.
  • Infonomix is a project management system similar to Trac, written in PHP and using XSLT. It is designed more for professional services tasks, like graphic design and Web development. It also keeps track of time using a time clock system, and time can be assigned to tasks, projects, or clients.
  • KForge is a system for managing software and knowledge projects. It re-uses existing best-of-breed tools such as versioned storage (subversion), a tracker (trac), and a wiki (trac or moinmoin), integrating them with the system's own facilities (projects, users, permissions, etc.). KForge also provides a complete Web interface for project administration, as well a fully-developed plugin system, so new services and features can be easily added.
  • KONSEC Kolab Server is a highly scalable, cluster-capable messaging and collaboration server that is based on the outstanding open source project, Kroupware. The KONSEC Konnektor is a simple client extension that gives Outlook complete group functionality through the Kolab Server, which employs the open standard IMAP together with ACLs, thus enabling you to collaborate in a unique mixed Windows/Linux environment.
  • MateEdit lets you share your documents with friends across a network. MateEdit is an editor which allows documents to be altered by multiple users simultaneously. It features different colors and icons for each participant, a chat room to coordinate changes, and color highlighting for all changes to show contributions from other participants.
  • MediaWiki is a Web-based collaborative editing environment. Originally built for the online encyclopedia project Wikipedia, it's geared to support a large number of users and pages.
  • Mindmeld is an enterprise-capable knowledge sharing system designed for any Web community that needs to capture and share information. It is unique in that the knowledge base grows smarter every time it's used. It incorporates terms used in each search into a contextual map of the answer itself, continually improving its ability to derive contextual information from a given search. The system learns how people typically search for an answer by identifying which terms are most valuable in any specific context.
  • The Mindquarry Collaboration Server is an integrated set of tools for better teamwork including file sharing with version control, WYSIWYG-Wiki, and easy-to-use task management. It is accompanied by a small desktop client that allows desktop synchronization, and features a small todo list.
  • MoinMoin is an advanced, easy to use and extensible WikiEngine with a large community of users. Said in a few words, it is about collaboration on easily editable web pages. MoinMoin is Free Software licensed under the GNU GPL.
  • Moregroupware is groupware that includes standard modules like calendar, news, contacts, and more. Its UI is multi-language ready, it has a robust framework for adding modules, and can run on several databases.
  • NOAH is a Web-based document management system that is feature-rich, easy to use, and simple to install. Through a browser interface, users can easily create, update, lock, search, and manage document revisions for access by multiple users across many geographical sites. NOAH includes many powerful features such as client scripting, hierarchical document access control, and email notification. Administrators can manage users and archives and monitor database activity through an extensive suite of tools.
  • NullLogic Groupware is a multi-user web-based groupware package designed for contact management and event scheduling, which includes additional features such as instant messaging, public forums, shared hyperlinks, file system, a web e-mail client, and a simple order processing system.
  • Nuxeo CPS is the collaborative web content management solution for Zope. Users create and manage content in Workgroups and publish them in Publications spaces (Hierarchies) through a dedicated workflow. Managers can easily set global and local roles for users (Workgroup Managers, Members, Visitors, Reviewers, and Readers). All actions are available through simple Web interfaces. Nuxeo CPS also features office document integration, indexing, and conversion to HTML format; versioning; attached comments; interactive services (e.g. mailing-lists); and skinning of hierarchies.
  • OntoWiki is a tool providing support for agile, distributed knowledge engineering scenarios. It facilitates the visual presentation of a knowledge base as an information map, with different views on instance data. It enables intuitive authoring of semantic content, with an inline editing mode for editing RDF content, smiliar to WYSIWIG for text documents. It fosters social collaboration aspects by keeping track of changes, allowing users to comment on and discuss every single part of a knowledge base, enabling them to rate and measure the popularity of content, and honoring the activity of users.
  • OpenDocMan is a full featured Web-based document management system designed to conform to ISO 17025/IEC. It features an automated installation script, check-in/out, departmental access control, file moderation, fine grained user access control, and a great search function. Written in PHP, and utilizing MySQL for the backend, this project is useful for any company looking to keep their documentation in a centralized repository.
  • OpenGroupware.org is a set of applications for contact, appointment, project, and content management. It is comparable to Exchange and SharePoint portal servers.
  • OpenGuides is a wiki-like package for maintaining a collaborative city guide. It is written in Perl and runs as a CGI program, and uses either the MySQL, PostgreSQL, or SQLite database. It offers features over a "normal" wiki such as metadata management and a "find nearby things" function. The look and feel is highly customizable thanks to use of the Template Toolkit.
  • OpenMeetings is a multi-language customizable video-conferencing and collaboration system written in Java. It supports audio/video and allows you to see the desktop of any participant. It includes a whiteboard, the ability to import a variety of image formats, invitations, a moderation system, backup and language modules, private and public conference rooms, and the ability to record meetings.
  • OpenSharePoint is an intra/extranet portal server similar to SharePoint. It provides a place on the Web where a team can communicate, share documents, and work together on a project. A separate team Website can be created for every project that is being worked on.
  • Open-Xchange
  • Pandora-Publisher is a simple Web document and application platform written in Ruby. It aims to make it easy for a team of people to quickly collaborate on the network and develop custom document components and extensions to meet their specific needs.
  • Paper Harbour is a professional multi-user document management system. It provides a solution for organizing and storing project, product, and company documentation. It is designed for use by non-technical users and is format-independent. It provides support for change/version control, document distribution, document security, and reviews. Documents can be stored, tracked, and accessed over the Internet or an intranet.
  • Pie is a lightweight content management system for Web-sharing documents, files, and arbitrary pieces of information. Making use of a Wiki's meta language and page-linking abilities, it lets authors create and maintain content via HTTP on a corporate basis. It features an emphasis on fast content delivery to its recipients rather than sophisticated add-ons, therefore conveying compiled output instead of performing time consuming run-time processing.
  • PHPfileNavigator is an open source code and free application to do a complete management of yours files and folders by web.
  • phpGroupWare (formerly known as webdistro) is a multi-user groupware suite written in PHP. Its provides a Web-based calendar, todo-list, addressbook, email, news headlines, and a file manager. The calendar supports repeating events. The email system supports inline graphics and file attachments. The system as a whole supports user preferences, themes, user permissions, multi-language support, an advanced API, and user groups
  • PHP-Nuke (open source software for collaborative workspaces)
    • PHP-Nuke: Management and Programming (manual)
    • PHP-Nuke Brasil
    • PHPNuke.de
    • PHP-Nuke Dutch
    • PHPNuke español
    • PHPNuke France
    • PHPNuke-fr
    • PHP-Nuke Nederland
    • PHP-Nuke-Service.de
    • TemplateMonster: PHP-Nuke themes
  • PHProjekt is a groupware suite which supports communication and management of teams and companies via an Intranet and the Internet. It consists of multiple components, including a group calendar with resource booking, a time card system, project management, a request tracker, a mutual filesystem, a contact manager, a mail client, a forum, chat, notes, shared bookmarks, todo lists, a voting system, and reminders. An API allows the integration of several available addons (e.g. Web shop, WAP suite, sync tools) or own applications. It is available for MySQL, Postgres, Interbase, Oracle, Informix, MS-SQL, and 28 languages.
    • Demos: Altervista - PHPRoject (DE) -
  • Project-Based Calendaring System (PBCS) is an open source Web-based calendaring system, designed to be a useful tool for project managers or project planners. It allows users to have appointments of multiple people in one overview, making it easy to plan appointments for projects in the future. There are special overviews to see all appointments at once for a week or a month. There is also a section to add notes or reminders.
  • Klorofil Collaboration Project
  • QSF Portal is a fast, secure, easily maintained Web community portal. It comes with powerful forum and download modules, as well as lightweight CMS capability. New modules and skins can be added easily. It supports 18 languages.
  • Redmine is a flexible project management web application.
  • Scalable OpenGroupware.org (SOGo) is a project derived from OpenGroupware.Org (OGo) with scalability in mind. The Inverse edition of this project has many feature enhancements: CalDAV and GroupDAV compliance, full handling of vCard as well as vCalendar/iCalendar formats, a portable AJAX-based Web interface similar in look and feel to the Mozilla Thunderbird, Lightning, and Sunbird projects, and support for folder sharing and ACLs.
  • Sciret is an advanced knowledge-based system. Sciret can manage articles, bookmarks, and documents. Favorites and ToDo lists are also included in Sciret.
  • Simple Groupware is a complete groupware package. Unlike other groupwares, Simple Groupware contains a new programming language called sgsML, which was created to quickly create powerful Web applications.
  • Spicebird is a collaboration suite that simplifies communication for users by providing integrated access to the various tools of collaboration, like email, calendaring, and instant messaging, in a single application. It provides easy access to various Web services while retaining all the advantages of a desktop application. The application is built on top of Mozilla Thunderbird, Sunbird, and Xmpp4moz. The extensibility of the Mozilla platform makes adding new tools and customization of the suite easy.
  • SynchroEdit is a browser-based document editor for use by multiple users simultaneously. It is a form of same-time, different-place groupware. It allows multiple users to edit a single web-based document at the same time, and it continuously synchronizes all changes so that users always have the same version.
  • Teamwork is a Web-based application specifically for team work management. It improves worklife quality by helping production cycle information flow management via stage coordination and allocating tasks to everyone involved. As an application, it combines document management, groupware, and project management features with fine-grained area and role-based security. It supports multiple databases (via hibernate), browsers, and languages, and is skinnable.
  • Textbender is a system of collaborative writing based on recombinant text. It implements a Web 3.0 medium of distributed composition with an underpinning in population genetics. Textbender is aimed particularly at creative writing, and its beta trials will target short verse.
  • Tiki CMS/Groupware (aka TikiWiki) is a powerful open-source Content Management System (CMS) and Groupware that can be used to create all sorts of Web applications, sites, portals, intranets, and extranets. Major features include articles, forums, newsletters, blogs, a file/image gallery, a Wiki, drawing, trackers, a directory, polls/surveys and quizzes, a FAQ, chat, a banner management system, Webmail, a calendar, Ephemerides, maps, charts, Mobile Tiki (PDA and WAP access), RSS feeds, a category system, a theme control center, workflow, live support, Shoutbox, ACLs, and more.
  • Virtual Collaboratory is a Web-based collaboration application that features a directed discussion forum based on Mailman providing for threaded short and long term discussions. It includes a calendaring function, integration with the Elluminate meeting software, document exchange, version control, a research resource center, custom categorizations, FAQs, and the ability to search for users with similar interests.
  • W-Agora (Web-Agora) is a database-driven communications system which allows you and your visitors to store and display messages, files, and other information on your web site. More than "just another Web BBS/forum software", W-Agora is designed so it can be easily customizable through a Web browser and the use of templates. It can be used as a BBS, guestbook, download area, or publishing system. Several database backends are supported such as MySQL, Postgres, mSQL, Oracle and DBM.
  • WebCollab is a collaborative Web site for project workgroups. It aims to be easy and intuitive to use without being complicated or graphically intensive.
  • WebIssues is a system that supports team collaboration across the Internet. It can be used for storing bugs and other information with customizable attributes, comments, and file attachments. The server can be installed on any host with PHP and MySQL, PostgreSQL, or MS SQL Server. The client is a native desktop application for both Windows and Linux.
  • WikyBlog is a CMS/groupware application with an AJAX enhanced tabbed interface that enables users to view and edit multiple files within the same page. UTF-8 support for multi-language abilities, integrated custom template editing, file upload, a flexible user privilege system, and Google Maps integration number among its many features.
  • xinco (eXtensible INformation COre) DMS is a powerful Web-Service based Information and Document Management System (DMS) for files, text, URLs, and contacts, featuring ACLs, version control, full text search, document publishing, file archiving, and an FTP-like client. Java.
  • XODA is a DMS (Document Management System) that uses Ajax. It uses no database backend, but allows the addition and editing of descriptions, tags, and categories for files and directories, as well as performing regular actions like moving, renaming, and deleting. The project targets end users who want to organize all kinds of documents on a remote machine running a Web server with PHP support. It is just one file including compressed JavaScript, and stores the "meta-information" in PHP files.
  • Yet Another Forum (.NET): opensource discussion forum or bulletin board system for web sites running ASP.NET. It is ASP.NET based with a MS SQL backend database. The full C# source code is available licensed as GPL.
  • Zimbra is a server and client technology for enterprise messaging and collaboration. Zimbra delivers innovation for both the administrator and the end user as well as compatibility with existing infrastructure and applications.
• Other wikis
• ASP:
  • JsWiki
  • Noodle
  • OpenWiki
• ASP.NET
• DevHawk
• FlexWiki
• OpenWiki
• Perspective
• ProntoWiki
• Screwturn (open source)
• Sushiwiki
• Thufir
• Videoconferencing
  • ClearPhone
  • EarthLink
  • iVisit
  • Marratech (acquired by Google)
  • Tandberg
  • Vizitel
  • WiredRed

Zie ook / see also:

• hlrnet: content management systems
• hlrnet: document management systems
• hlrnet: virtual disks
• Sharepoint
• WebDAV.org: Web-based Distributed Authoring and Versioning