People who use Writely also use:
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add to my toolboxGeneral funds transfer service which can be adapted for online donations.
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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 toolboxCalendaring application for Mac OS X
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add to my toolboxFree/cheap Internet telephony and handy IM tool.
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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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  Ubuntu
      in 136 toolboxes 
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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  MediaWiki
      in 85 toolboxes 
add to my toolboxPowerful wiki software built to support the Wikipedia project
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  pbwiki
      in 32 toolboxes 
add to my toolboxFree hosted wiki software
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add to my toolboxWeb based photo sharing service
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  Audacity
      in 96 toolboxes 
add to my toolboxFree, open source software for recording and editing sounds.
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  TinyURL
      in 45 toolboxes 
add to my toolboxURL-shortener (for emailing and general usability)
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  Mac OS X
      in 68 toolboxes 
add to my toolboxApple's desktop operating system.
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  SurveyMonkey
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add to my toolboxHosted online surveys
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  Adium
      in 62 toolboxes 
add to my toolboxAdium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
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  YouTube
      in 75 toolboxes 
add to my toolboxUpload up to 100MB videos and embed them in your sites. Now with dedicated channels for nonprofits.
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  LinkedIn
      in 144 toolboxes 
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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  Google Docs and Spreadsheets
      in 83 toolboxes 
add to my toolboxNow covered by Google Drive.
Web-based word processor and spreadsheet tool. Formerly Writely.
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  Social Source Commons
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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.
 

