Desktop chat client for Google Hangouts

Convert a Hangouts or Voice backup into an SMS backup for Android using SMS Backup and Restore.

A Python script that converts Google Hangouts conversations stored in JSON format to CSV format.

A javascript based parser for a Google Hangouts chat history JSON file

Google Hangouts bot

Export Google Talk/Hangouts chats to logfiles, using both mbox IMAP folders (for Google Talk) and Takeouts exports (for Google Hangouts)

A tool to convert a Hangouts.json file to a file that can be used by the SMS Backup and Restore app