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Verbalucce analyzes text communication within Gmail. The extension provides real time feedback to users about congruency within an email exchange. This immediate feedback compares similarity in sentiment, message length and language style. In addition, historical analytics allow users to compare communication across relationships along dimensions such as formality and emotional expression.

[project name] is an open source project. All of our development is done in the open, in our mailing lists and github repository. We encourage you to use it, let us know what you think, submit bugs, and send us your patches!

Please carefully review our Participation Guidelines before contributing.

Mailing list



Clone our github repository and send pull requests! Code speaks louder than words. When you are ready to send code through pull requests, please follow these guidelines:

  • The Git guidelines.
  • If fixing a bug, add "Fix : " before the summary, but after the component.
  • Follow the standard git guidelines on commit message formatting, specifically:
    • ​​Begin the commit message with a single short (less than 50 character) line summarizing the change.
    • Follow this with a blank line and then a more thorough description.
    • Keep the body of the commit message less than 80 characters.

​Finally, remember to sign your code using our Signed-off-by process.