Google Translator Toolkit is a powerful and easy-to-use editor that helps translators work faster and better.

• Upload and translate documents
  Use documents from your desktop or the web.
  
  
• Download and publish translations
  Publish translations to Wikipedia™ or Knol.
  
  
• Chat and share translations online
  Collaborate online with other translators.
  
  
• Use advanced tools
  Use features like translation memories and multilingual glossaries.