zap by uber-go
Blazing fast, structured, leveled logging in Go.
About zap
From the project's README at github.com/uber-go/zap. Lightly cleaned for readability; for the full source see the upstream repo.
[![GoDoc][doc-img]][doc] [![Build Status][ci-img]][ci] [![Coverage Status][cov-img]][cov] Installation
Note that zap only supports the two most recent minor versions of Go. Quick Start
In contexts where performance is nice, but not critical, use the . It's 4-10x faster than other structured logging packages and includes both structured and -style APIs.
When performance and type safety are critical, use the . It's even faster than the and allocates far less, but it only supports structured logging.
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 24k | github.com/uber-go/zap |
| GitHub forks | 1.5k | github.com/uber-go/zap |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 10.2 years | since Feb 2016 |
| Last commit | 9 days ago | Apr 28, 2026 |
| Releases shipped | 41 | last: 9 days ago |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
- Show HN: Agent-data – a CLI for giving agents real-time, structured data
- Mapping Strings to Float Arrays in Go: How Fast Can We Go?
- PushWard – Hosted APNs gateway for iOS Live Activities, with open-source bridges
- Show HN: Dear ImGui Bundle: Python and C++ apps for desktop, mobile, and the web
- WebTransport is now available across all major browsers
Ready to self-host zap?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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