GitNotebooks is the notebook review experience you've been waiting for.

Trusted by developers at Google, Facebook, and Berkley.

Built to provide the review experience you expect:

• Cell comments on the left and right
• Line comments
• Character level diff precision
• Security and privacy first

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Review notebooks in minutes, free for both public and private repositories. Everything stays in sync with GitHub.

Cut your notebook review time in half.

Feature	GitNotebooks	ReviewNB	GitHub
Notebook diffs	✓	✓	✓
Line comments	✓	✗	✗
Cell comments	✓	✓	✗
Dataframe diffs	✓	✗	✗
Comment on left or right diff	✓	✗	✗