Binary api computes the exported API of a set of Go packages.

Cgo enables the creation of Go packages that call C code.

Doc (usually run as go doc) accepts zero, one or two arguments.

Fix finds Go programs that use old APIs and rewrites them to use newer ones.

Gofmt formats Go programs.

Pack is a simple version of the traditional Unix ar tool.

Vet is a simple checker for static errors in Go source code.