Free linux groupware server software for linux

The Linux Virtual Server is a highly scalable and highly available server built on a cluster of real servers, with the load balancer running on the Linux operating system.

The architecture of the server cluster is fully transparent to end users, and the users interact as if it were a single high-performance virtual server.

The basic goal of the Linux Virtual Server Project is to:
- Build a high-performance and highly available server for Linux using clustering technology, which provides good scalability, reliability and serviceability.

Ubuntu Linux is a complete desktop Linux operating system, freely available with both community and professional support.

The Ubuntu team is proud to announce Ubuntu 5.10 Server, the first release of Ubuntu designed especially for server environments.

Like the standard desktop Ubuntu, it occupies a single CD. However, it is distinguished by the following features:

* Includes server-oriented kernels with out-of-the-box automatic support for multiprocessor systems
* Includes a wide variety of popular server applications such as apache, mysql, postgresql, php, zope, openldap, bind, samba, all on the single CD, ready for installation
* A slim default installation, occupying just 400 megabytes: add only the software you need, for a clean, maintainable configuration.
* Provides no desktop environment (GNOME, KDE, etc.) by default
* Safe and text-oriented boot mode for better clarity and infinite justice on boot.

The default installation is secure by design, with no network ports active after installation and access to free security updates activated. Network services are activated only when explicitly installed.

As always, its supported with regular releases, a commitment to security updates for 18 months after each release and professional technical support from many companies around the world.

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 bases, a web e-mail client, and a simple order processing system.
The main goal of NullLogic Groupware is to make your data accessible to you from anywhere at any time without the need for special software to be installed on the client computer. All you need is a web browser.
Additional features include private messaging, public discussion forums, webmail, shared bookmarks, file sharing, call tracking, order processing, an XML-RPC API, and integrated POP3 and SMTP servers.
Enhancements:
- fixed zero domain ownership on newly created mail filters
- added ClamAV support to sample scanner script
- cleaned up some of the page transitions in mod_mail
- SQL subsystem was rewritten to handle an arbitrary number of cached queries

Linux LiveCD VoIP Server can be used to provide a Vonage type service, or to create a voip pbx for a campus or business with up to thousands of SIP phones.
It is based on the Open Standard SIP Express Router (SER) and Asterisk. It can serve as a SIP Proxy, VoIP PBX, VoIP gateway or Class 5 Softswitch.
Main features:
- Easy Web user administration and real-time accounting.
- All in one solution to VoIP and SIP enable your business.
- Allows you to make your own SIP numbering plan. Centrex service.
- Can be connected to multiple A-Z wholesale termination providers and to your own PSTN termination gateway/router.
- Can do Least Cost Routing
- Includes nat traversal, stun server, media server for conference call bridge, voicemail to email, incomming virtual numbers (DIDs), follow me forwarding.
- Commercial pre-paid, post-paid and flat rate account support. No calling card (no b2bua in base system).
- Requires no software installation - it is a liveCD.
- Supports any SIP soft or hardware phones, such as popular XTen, Cisco ATA 186, Grandstream, Sipura, Bugetone, Linksys PAP2 and more.
- Supports SIP for Video Conferencing (Xten / CounterPath EyeBeam)
- Supports Ecrypted SIP with Xten / Counterpath Secure Xten Pro
- Requires a PC with fixed ip connection to the internet. 256 MBytes of RAM, CDRom reader, ide or sata hard disk to store call and user database and web site.
- Remote ssh configuration and administration help
Enhancements:
- Kernel 2.4.34.1 and minor bugfixes.

Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project. Horde Groupware bundles the separately available applications Kronolith, Turba, Nag and Mnemo.
Horde Groupware can be extended with any of the released Horde applications or the Horde modules that are still in development, like a file manager, a bookmark manager, a forum or a wiki.
Main features:
- Public and shared resources (calendars, address books, tasklists and notepads)
- Unlimited resources per user
- Translated into 41 languages including right-to-left scripts and unicode support
- Global categories (tags)
- Customizable portal screen including applets for weather, quotes, etc.
- 25 different interface themes
- Online help system
- Import and export of groupware data from other applications
- Synchronization with PDAs, mobile phones, groupware clients
- Integrated user management, group support and permissions system
- User preferences with global default values
- Strong integration, e.g. address book lookups in meeting planning, task due dates in calendar
- Platform independant, works on any web server with PHP support, i.e. Linux, Windows, Solaris, Mac OS X Server
- Abstract database support, e.g. for MySQL, PostgreSQL, Oracle, Microsoft SQL-Server
Calendar
- Day, week, work week, month and year views
- Recurring and all-day events
- Alarms with email notifications
- Simple and advanced search forms
- Meeting planning, also with other calendar applications
- Email notification about changed events
- Free/busy information exchange with other calendar applications
- Subscription of remote calendars
- Integration into external clients like Apple iCal, Mozilla Sunbird, Microsoft Outlook
- iCalendar and iTip support
Contacts
- Distribution lists/email groups, also across address books
- Simple and advanced search forms
- Customizable address book listings
- vCard support
- Address book pager (rolodex)
- Customizable contact fields
- Integration of existing address books
Tasks
- Priorities and due dates
- Searchable descriptions
- Email notification about changed tasks
- Integration into external clients like Apple iCal, Mozilla Sunbird, Microsoft Outlook
- vTodo support
Notes
- Fulltext search
- Character counter
Enhancements:
- A local arbitrary file deletion vulnerability has been fixed.
- The Oracle session handler has been rewritten.
- vTimezone support for iCalendar data and ORG support for vCard data have been added.
- Samba and Cyrus SQL authentication drivers, automatic Web root detection, signature dimming, and compatibility of generated ZIP files have been improved.
- Calendar support for non-ASCII character sets has been improved.
- vCard support has been improved.
- Brazilian Portuguese, Catalan, Dutch, Finnish, French, German, Portuguese, and Traditional Chinese translations have been updated.

Simple Groupware is a complete groupware package written in PHP, XML, SQL, HTML, CSS and sgsML.
Unlike other groupware software, Simple Groupware contains the new programming language sgsML. It enables the quick creation of powerful web applications.
Simple Groupware is Free Software, released under the GNU GPLv2 License.
Main features:
- A 100% web-based application (no special client applications or plugins required). Optional a client for Windows is available to make downloads/uploads easier
- Complete secure communication using SSL
- Easy and intuitive user interface
- One platform for managing, controlling and developing business processes
- Autonomy: Simple Groupware is fully driven with open technologies
- Individuality: All hierarchical organization structures and responsibilities can be represented and managed in the application
- Intelligent knowledge management: e.g. find everything faster using phonetic search algorithms and automatic file / content indexing
- Notifications: get notified when data changes by using RSS feeds
- Unicode: Simple Groupware fully supports Unicode characters using UTF-8
Modules included:
- Calendar
- Contacts
- E-mails
- Tasks
- Files
- Notes
- Passwords
- Bookmarks
- Portal
- Chat
- FAQ
- News
- Forum
- Gallery
- Projects
- Statuses
- Templates
- Inventories
- Resources
- Brands
- Locations
- Distributors
- Device types
- Offices
- Positions
- Companies
- Departments
- Contact groups
- Contact activities
- Spreadsheets
- Users
- Groups
- Events
- Backups
- Rights
- Search
- Statistics
- iCalendar
- IMAP
- POP3
- SMTP
- RSS
- vCard
- LDAP contacts

Zero Touch Linux Server is the easiest way to setup your back office infrastructure. If you need mail server, file server or domain controller - ZTL is perfect for you. ZTL is now a FREE product that brings together the stability of Linux and the security of Trustix or 100% binary compatibility of CentOS with a simple web-based interface.
ZTL allows you to perform administrative tasks without any special knowledge. If you need to setup a server for your office, and do not have prior experience in doing it - ZTL is for you.
Main features:
- remote administration of servers
- three levels of access
- simple and comfortable web-based interface
- one click server upgrade
- based on powerful and secure operating system: Trustix Secure Linux
- based on free and 100% binary compatible operating system: CentOS Enterprise-class Linux Distribution
- ability to install and configure Web, Mail, DNS, Domain Controler, File Server, Printer Server as well as Database, DHCP, Proxy servers, Firewall servers
Three levels of access:
Admin Level:
- manage server configuration
- install/uninstall and automatically configure appliances
- create and manage websites/domains
- use PHP plugins: SquirrelMail, phpMyAdmin
Domain Level:
- create and manage websites/mailboxes/users
- add/manage shared folders
- manage MySQL/PostgreSQL databases
- add/manage users
- manage DNS records, Apache webserver virtual host settings
- use PHP plugins: SquirrelMail, phpMyAdmin
- remove/get system information
End User (Mail / FTP user) Level:
- webmail interface
- manage your mail settings
- use PHP plugins: SquirrelMail, phpMyAdmin
- change password
- upload download files via web

POGI is the PHP OpenGroupware Interface. It allows PHP enabled websites to be easily integrated with the powerful OpenGroupware groupware server. Current versions of POGI work with PHP version 4 and 5.