• Wikispaces
  
  Wikis are simple web pages that groups, friends, and families can edit together. Starting your wiki at Wikispaces is fast, free, and easy.
  in teaching with education tool wiki by 21 users
• Writers & Artists Self-Publishing guide
  in books and ebooks with self-publishing tool
• Xtranormal
  Text-to-Movie
  in multimedia with film generator movie tool by 2 users
• Yammer
  Free for academic institutions
  in Virtual communities with intranet tool vc
• Yugma
  Skype addon letting you conduct virtual meetings or share desktops spontaneously. Yugma works across platforms - working seamlessly between Windows, Mac and Linux
  in cool web services with meeting screen sharing tool
• Zoho - Online Productivity Applications
  Free but only for very limited number of users
  Zoho offers a suite of online web applications geared towards increasing your productivity and offering easy collaboration. Zoho's online office tools include a word processor, spreadsheet application, presentation tool, hosted wiki, notebook, CRM, Database software etc
  applications crm m office online presentation processor productivity project software spreadsheets tools virutal web wiki word
  in cool web services with addressbook applications calendar database excel groupware office powerpoint presentation tool web web2 word by 35 users
• Exquisite Tweets
  Superceded by Twitter custom lists
  in journalism with archiving journalism sharing tool twitter
• Real Time Search
  inc Sentiment analysis but doesn't seem to work reliably
  in search engines with journalism marketing realtime searchengine sentimentanalysis socialmedia statistics tool tracker twitter web2 by 5 users
• Skype Call Recorder | Callnote Premium | Kanda Software
  in software with digitaltoolbox podcast recorder skype tool
  Note: Crashed when I used the Mac version

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