* [doc](http://godoc.org/robpike.io/cmd/doc) - Go documentation tool that produces an alternative doc format.
* [dupl](https://github.com/mibk/dupl) - A tool for code clone detection.
* [errcheck](https://github.com/kisielk/errcheck) - Errcheck is a program for checking for unchecked errors in Go programs.
* [gcvis](https://github.com/davecheney/gcvis) - Visualise Go program GC trace data in real time.
* [Go Metalinter](https://github.com/alecthomas/gometalinter) - Metalinter is a tool to automatically apply all static analysis tool and report their output in normalized form.