This is Go Tour, an introduction to the Go programming language.

To install the tour locally, first install Go, then run:

$ go get golang.org/x/tour/gotour
$ cd $GOPATH/bin
$ ./gotour

Unless otherwise noted, the go-tour source files are distributed under the BSD-style license found in the LICENSE file.

Contributions should follow the same procedure as for the Go project: http://golang.org/doc/contribute.html