Office

• Telbook
  Telbook is a simple telephone book that can be used to manage a list of people and their home and mobile telephone numbers. ...
  
• KDE Kontact
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• Linux User Management System
  The Linux User Management System allows an organization to centrally manage their Linux users. It works with all distributions of Linux and in conjunction with GeKL's KDE User Desktop Management Syst...
  
• PS Cal
  PS Cal is a robust PHP/SQL calendar. It can be used as a personal planner or an event calendar. ...
  
• eZ publish
  Content management system for e-commerce, e-publishing, and intranets/extranets. ...
  
• Compiere
  An ERP and CRM solution for small-medium business. ...
  
• Cream CRM
  A customer relationship management system for media organizations. ...
  
• Minkowsky
  Minkowsky is tool to manage appointments, tasks and addresses within groups like companies. Minkowsky is a client server application. The data are managed on the server. The client display them to t...
  
• OfBiZ (The Open For Business Project)
  J2EE-based enterprise automation tools and applications. ...
  
• OBM
  OBM is an Intranet application written to help manage a company. It can also be used as a contact and customer database, as a groupware tool, or as a shared calendar. It is written with PHP and requi...
  
• Bonita
  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 exec...
  
• Customer-Touch CRM
  A CRM for small to medium farms. ...
  
• DocBase
  DocBase is an easy and fast documentation system. It includes an internal Web rich text editor. All documents and attachments are stored in a MySQL database. It includes versioning, locking, and a cl...
  
• hipergate
  Sales force automation, e-marketing, and customer support package ...
  
• PBS
  A helpdesk application written with MySQL and PHP. ...
  
• Tiki CMS/Groupware
  Tiki is a powerful CMS/Groupware: article, forum, newsletter, blog, file/image gallery, wiki, drawing, tracker, directory, poll/survey & quiz, FAQ, chat, banner, webmail, maps, calendar, category, AC...
  
• TWIG
  TWIG is rapidly becoming a very useful intranet/groupware tool and application framework. It is written and implemented completely with the PHP programming language. It will become a simple, cross-pl...
  
• BAGO PHP
  A tool for building business to business Web sites. ...
  
• Achievo
  Achievo is a Web-based project management and tracking tool for small- to medium-sized companies. ...
  
• CRM Made Easy
  CRMME (prounounced "Cream-Me") processes mail from maildirs or mbox (UNIX-style mailboxes) into categories. ...
  
• NetOffice
  NetOffice - Online project management with team collaboration, user management, multiple access levels, tasks, projects, and time tracking, task change history, files approval tracking, notes, client...
  
• ARIA Business Management
  Web-based business management software ...
  
• egs (Enterprise CRM and Groupware System )
  Enterprise CRM and Groupware System is a PHP/PostgreSQL system that offers multi-layered access to data and the following features: advanced CRM (similar to XRMS), project management tools, email tic...
  
• Freeside
  Billing and administration for ISPs ...
  
• Open-Xchange
  OPEN-XCHANGE™ is a collaboration and integration server enviroment with a continuous right management for modules and objects. The product is based on existing components like a web server, mail se...