A mutation testing tool for Go.

'go test' runner with output optimized for humans, JUnit XML for CI integration, and a summary of the test results.

Automated Semantic Import Versioning Upgrades

Go execution trace frontend

D2 is a modern diagram scripting language that turns text to diagrams.

Command line tool for CI/CD pipelines that helps to prevent Go spaghetti code (a.k.a. big ball of mud).

A library for creating generic graph data structures and modifying, analyzing, and visualizing them.

Standard Go Project Layout

GitHub webhook events toolset for Go 🚀

Auto-gen Go fuzzing wrappers from normal code. Finds buggy call sequences, including data races & deadlocks. Supports rich signature types.

Package logfmt marshals and unmarshals logfmt messages.

Like errgroup/waitgroup, but only runs a maximum of tasks at any time.

GitHub tools

Go test with tracing.

felixge's notes on the various go profiling methods that are available.

A static analysis tool for securing Go code

Experimental implementation of a proposed v2 encoding/json package

Go tool for major version upgrades

The home of the CUE language! Validate and define text-based and dynamic configuration

Go API compatibility checker.

Refactoring and code transformation tool for Go.

Free gophers

Continuous Profiling Platform. Debug performance issues down to a single line of code

Spaghetti: a dependency analysis tool for Go packages

A fast linearizability checker written in Go 🔎

Unified text diffing in Go (copy of the internal diffing packages the officlal Go language server uses)

Visualise Go runtime metrics in real time