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Plow

Plow is an Apache-2.0 HTTP(S) benchmarking tool in Go using fasthttp, showing real-time statistics, histograms and percentiles in both a web UI and the terminal.

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Introduction

Plow is an HTTP(S) benchmarking tool written in Go. It uses fasthttp for speed, runs a set number of concurrent connections, and records summary statistics, an execution-time histogram and percentiles in real time, displayed in a web UI and the terminal.

The source code is at six-ddc/plow on GitHub under the Apache-2.0 licence, with about 4,500 stars; the most recent commit was on 7 November 2026.

Features

  1. Real-time web UI: Watch charts during the run.
  2. Terminal display: Live stats in the console.
  3. Duration or request count: Flexible run modes.
  4. Percentiles: Latency distribution.
  5. fasthttp engine: High throughput.

Pros

  1. Free to use: Open source under Apache-2.0.
  2. Maintained: Commits as recent as 7 November 2026.
  3. Community: About 4,500 GitHub stars.

Cons

  1. Simple scenarios: No scripting.
  2. fasthttp limits: Less RFC-strict client.
plow https://staging.example.com/ -c 20 -d 30s

Then open the web UI address Plow prints.

Resources:

Pricing

Plow is free and open source under the Apache-2.0 licence.

  1. Developers who want live charts during quick benchmarks.
  2. Demoing performance changes.
  3. Not a fit for complex scenarios.

Conclusion

Plow is a fast benchmarker whose live web UI makes results easy to watch and share.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Plow side by side.