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Bunyan

A JSON logging library for Node.js.

What it does

A JSON logging library for Node.js.

When it fits

Producing structured application logs that external tools can process.

Other options in this category

  • LogRocket — Investigating frontend problems in the context of a user’s session.
  • LogSnag — Following important product events through a shared event feed.
  • LogTape — Sharing logging conventions across server, browser, and edge code.
  • Morgan — Recording incoming requests in an Express-style application.
  • next-logger — Collecting machine-readable logs from a Next.js server.

Source

Project source for Bunyan ↗

Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.

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