3. Go.ricego.rice is a Go package that makes working with resources such as html,js,css,images,templates, etc very easy.
5. Go.hidProvides communication with USB Human Interface Devices.
6. go.bitcoinGo package containing bitcoin utilities and BitcoindClient wrapping the http json-api.
7. angoango is a tool that generates a protocol for communication between Go and AngularJS over http/websockets.
8. yubigoYubigo is a Yubikey client API library that provides an easy way to integrate the Yubico Yubikey into your existing Go-based user authentication infrastructure.