HTML::Mason is a web site development and delivery system that constructs web pages and sites from shared, reusable building blocks called components.

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Developer: Mason Team
License: GNU General Public License (GPL)
Operating System: Apache

Powerful scroller with No need for PHP, Perl, etc.

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Developer: Raj
License: Freeware
Operating System: Platform Independent

he One or Zero Open Source Helpdesk and Task Management System is an extremely powerful, yet lightweight, package that is coded in PHP and makes use of MySQL and Sqlite.

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Developer: team
License: GNU General Public License (GPL)
Operating System: Windows, Linux

MemHT Portal is a Free Multilingual Content Management System.

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Developer: Miltenovik Manojlo
License: GNU General Public License (GPL)
Operating System: ALL

Kannel is a compact and very powerful open source WAP and SMS gateway, used widely across the globe both for serving millions of short messages (SMS) and pushing WAP service indications.

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Developer: The Kannel Group
License: The Kannel Software License
Operating System: OS Independent

Beacon allows non technical people easy page editing and categorization of web pages making Beacon idea for groups of people wishing to collaborate around a documentation or composition project.

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Developer: Barnraising
License: GNU General Public License (GPL)
Operating System: many Unix variants (including HP-UX, Solaris and OpenBSD), Microsoft Windows, Mac OS X, RISC OS, and probably others.

Job board and recruiting software with applicant tracking system.

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Developer: Vectrics, Inc.
License: GNU General Public License (GPL)
Operating System: OS Independent (Written in an interpreted language), Solaris, HP-UX, SCO