People who use Mailman also use:
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add to my toolboxVery extensible CMS platform based on PHP and used by many NGOs - "Community Plumbing"
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add to my toolboxFirefox is the popular open source web browser from Mozilla
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add to my toolboxRich client application for editing a full range of web content, from simple HTML pages to PHP and other dynamic content formats
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add to my toolboxWeb based social bookmarking lets you share online finds and discover new ones. Ground zero for tagging.
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add to my toolboxFull-featured open source office productivity suite, featuring word processor, spreadsheet, presentation, drawing and database packages; free MS Office replacement.
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add to my toolboxUser-friendly Linux distribution.
The Ubuntu promise:
* Ubuntu will always be free of charge, along with its regular enterprise releases and security updates
* Ubuntu comes with full commercial support from Canonical and hundreds of companies from across the world
* Ubuntu provides the best translations and accessibility features that the free software community has to offer
* Ubuntu core applications are all free and open source. We want you to use free and open source software, improve it and pass it on.
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add to my toolboxA multi-protocol Instant Messaging (IM) client
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add to my toolboxMozilla's Open Source email client
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  MediaWiki
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add to my toolboxPowerful wiki software built to support the Wikipedia project
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add to my toolboxWeb based photo sharing service
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add to my toolboxLinux distribution with a very strong community
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  Audacity
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add to my toolboxFree, open source software for recording and editing sounds.
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  GIMP
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add to my toolboxA freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.
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add to my toolboxFree FTP client software.
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add to my toolboxWikipedia is a global and multilingual Web-based cooperative free-content encyclopedia.
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  LinkedIn
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add to my toolboxSocial networking for non-social purposes with a focus on professional development, networking for jobs and problem solving through the expertise of those in your extended network.
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  apache
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add to my toolboxindustry standard open source web server
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add to my toolboxGmail is a web-based email with very user-friendly interface and huge storage capacity
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  Google
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add to my toolboxGoogle is the quintessential search engine.
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  phpMyAdmin
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add to my toolboxweb-based interface for managing MySQL
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add to my toolboxThe Social Source Commons is a “knowledge commons” that provides users with: a directory of software applications; links to relevant documentation, localization tools, services, user reviews; and a place to request tools/features.
 


