An overview of tools that will help improve your Go code

All-in-one

• golangci-lint - Bundle of gofmt, golint, govet and many other tools that shares work between the different linters for better performance. Recommended by the original author to replace gometalinter (Drop-in replacement).
• DEPRECATED: gometalinter - Automates the installation, configuration and application of gofmt, golint, govet and several other code validation tools.

Code Formatting

Articles

• Formatting Go Code with gofmt

Tools

• air - Live reload for Go apps
• gofmt - Start with the standard Go code formatter.
• golint - Detects style mistakes in Go code (deprecated).
• staticcheck - Go programming language linter.
• goimports - Format code and fix your import statements.
• gofumpt - A stricter gofmt.
• revive - Fast, configurable, extensible, flexible, and beautiful linter for Go.

Code generation, Templating and Generics

• json-to-go - Generate Go structs from JSON.
• Go gen - Type-driven code generation (generics)
• gojson - Another Go struct generator.
• gotemplate - Package-based templating system for Go.
• sqlgen - Generate Go code for SQL interactions.
• zek - Generate Go struct from XML.
• apidocgen - Generate web apis markdown docs and mocks.

Refactoring

Articles

• gorename - easy refactoring
• Refactoring Tools - An overview of refactoring tools for Go.
• Quick renaming with gofmt

Tools

• eg - Example-based refactoring tool for Go.
• gofmt - Start with the standard Go code formatter.
• gorename - Renaming tool for Go.

Error Detection

Articles

• Go Inspection Tools - An overview of tools for Go code inspection.

Tools

• AlignCheck, StructCheck, VarCheck - A suite of tools for checking your code.
• errcheck - Ensure you check your error conditions.
• go vet - Read this first on how to use the go vet command.
• SafeSQL - Protect against unsafe SQL in your code (deprecated).

Navigation

• Go Guru - User Manual - A tool for understanding Go code.
• Pythia - A browser-based UI for Go Guru.

Visualization

• godepgraph - A tool for generating dependency graphs of Go code.