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Side-by-side comparison

Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.

Very low-overhead JSON logger for Node.js, used by Fastify by default.

Flexible multi-transport logger for Node.js; very widely used though heavier than Pino.

Uber's blazing-fast, structured, leveled logging library for Go.

Zero-allocation JSON logger for Go.

Head to head

Metric	Pino	Winston	zap	zerolog
Stars	18.3k	24.5k	24.7k	12.5k
Weekly downloads	76.6M	36M	n/a	n/a
Download growth	+47%	+7%	n/a	n/a
Popularity score	88/100	87/100	80/100	75/100
Forks	1k	1.9k	1.6k	660
Open issues	176	546	204	171
Last commit	1mo ago	3mo ago	1mo ago	4w ago
Latest version	10.4.0	3.19.0	n/a	n/a
License	MIT	MIT	MIT	MIT
First released	2016	2010	2016	2017
Signals	Popular	Popular	None	None
Listed in	Backend › Logging	Backend › Logging	Backend › Logging	Backend › Logging

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): zap, zerolog.

Very low-overhead JSON logger for Node.js, used by Fastify by default.

Flexible multi-transport logger for Node.js; very widely used though heavier than Pino.

Uber's blazing-fast, structured, leveled logging library for Go.

Zero-allocation JSON logger for Go.

Metric	Pino	Winston	zap	zerolog
Stars	18.3k	24.5k	24.7k	12.5k
Weekly downloads	76.6M	36M	n/a	n/a
Download growth	+47%	+7%	n/a	n/a
Popularity score	88/100	87/100	80/100	75/100
Forks	1k	1.9k	1.6k	660
Open issues	176	546	204	171
Last commit	1mo ago	3mo ago	1mo ago	4w ago
Latest version	10.4.0	3.19.0	n/a	n/a
License	MIT	MIT	MIT	MIT
First released	2016	2010	2016	2017
Signals	Popular	Popular	None	None
Listed in	Backend › Logging	Backend › Logging	Backend › Logging	Backend › Logging

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): zap, zerolog.