OBM OBM is a groupware, under GPL v2 licence, which allows users to store, organize and share appointments, contacts, emails, links, documents and add-ons like project management / planning.

The server is reachable via a web browser or heavy clients as Kontact, Novell Evolution, Konqueror, Outlook ... for the directory (OpenLDAP) and email (POP3 or IMAP).

All the features of OBM (contacts, calendars and tasks) are also available via connectors for Mozilla Thunderbird

Mozilla Thunderbird

Mozilla Thunderbird is a free, open source, cross-platform e-mail and news client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser...

 and Microsoft Outlook XP/2000/2003 (connector not free).

OBM syncs (in direct mode by the network or through complementary tools such as ActiveSync) with also the most of PDAs: PocketPC and Windows Mobile (PDA and Smartphones), Palm, Symbian for mobile phones, iSync (Mac OS), and Blackberry.

OBM is based on standards such as SOAP

SOAP

SOAP, originally defined as Simple Object Access Protocol, is a protocol specification for exchanging structured information in the implementation of Web Services in computer networks...

, LDAP

Lightweight Directory Access Protocol

The Lightweight Directory Access Protocol is an application protocol for accessing and maintaining distributed directory information services over an Internet Protocol network...

, iCal

ICal

iCal is a personal calendar application made by Apple Inc. that runs on the Mac OS X operating system. iCal was the first calendar application for Mac OS X to offer support for multiple calendars and the ability to publish/subscribe calendars to WebDAV server....

, HTTP

Hypertext Transfer Protocol

The Hypertext Transfer Protocol is a networking protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web....

, HTTPS, SMTP

Simple Mail Transfer Protocol

Simple Mail Transfer Protocol is an Internet standard for electronic mail transmission across Internet Protocol networks. SMTP was first defined by RFC 821 , and last updated by RFC 5321 which includes the extended SMTP additions, and is the protocol in widespread use today...

, IMAP, POP3, SyncML

SyncML

SyncML is the former name for a platform-independent information synchronization standard. The project is currently referred to as Open Mobile Alliance Data Synchronization and Device Management...

.

Free Software

• SOGo
  Sogo
  Sogo Co., Ltd. is a department store chain that operates an extensive network of branches in Japan. It once owned stores in locations as diverse as Beijing in China, Causeway Bay in Hong Kong, Taipei in Taiwan, Jakarta, Medan, Bandung & Surabaya in Indonesia, Kuala Lumpur in Malaysia, Singapore,...
  
  
• phpGroupWare
  PhpGroupWare
  phpGroupWare, formerly known as webdistro, is a multi-user groupware suite written in PHP and part of the DotGNU project. It provides about 50 web-based applications including a Calendar, Addressbook, an advanced Projects manager, Todo List, Email, and File manager.The calendar supports repeating...
  
  
• eGroupWare
  EGroupWare
  EGroupware is free open source groupware software intended for businesses from small to enterprises. Its primary functions allow users to manage contacts, appointments, projects and to-do lists....
  
  
• Mioga2
• PHProjekt
• OpenChange
• Kolab
  Kolab
  Kolab is an open source groupware suite. It consists of the Kolab server and a wide variety of Kolab clients, including KDE PIM-Suite Kontact, Horde Webfrontend, Mozilla Thunderbird and Mozilla Lightning with SyncKolab extension and Microsoft Outlook with proprietary Kolab-Connector PlugIns.-Basic...
  
  
• Zimbra
  Zimbra
  Zimbra Collaboration Suite is a groupware product created by Zimbra, Inc., located in Palo Alto, California, USA. The company was purchased by Yahoo! in September 2007, and subsequently purchased by VMware on Tuesday, January 12, 2010. The software consists of both client and server components...
  
  
• Scalix
  Scalix
  Scalix is an e-mail and groupware server that runs on Linux, licensed under the Scalix Public License .Scalix provides e-mail, group calendaring and other collaborative software, which are standard in groupware...
  
  
• Open-Xchange
  Open-Xchange
  Open-Xchange Server is an open source project sponsored by Open-Xchange, Inc., developing collaboration software; i.e. email, calendaring, address book, etc. Product offerings based on Open-Xchange Server are marketed under the brand of Open-Xchange Server and various other names, e.g. 1&1...
  
  

Proprietary Software

• Lotus Notes
  Lotus Notes
  Lotus Notes is the client of a collaborative platform originally created by Lotus Development Corp. in 1989. In 1995 Lotus was acquired by IBM and became known as the Lotus Development division of IBM and is now part of the IBM Software Group...
  
  
• Novell GroupWise
  Novell GroupWise
  GroupWise is a messaging and collaborative software platform from Novell that supports email, calendaring, personal information management, instant messaging, and document management. The platform consists of the client software, which is available for Windows, Mac OS X, and Linux, and the server...
  
  
• Microsoft Exchange Server
  Microsoft Exchange Server
  Microsoft Exchange Server is the server side of a client–server, collaborative application product developed by Microsoft. It is part of the Microsoft Servers line of server products and is used by enterprises using Microsoft infrastructure products...
  
  
• Groove Groove.net, bought in 2005 by Microsoft
• ContactOffice ContactOffice
• Memotoo Memotoo

External links

• Community website
• Professional website
• Informational website