You should be able to install Thunderstorm either compiling it directly or using homebrew on a Mac.
brew install https://raw.github.com/macteo/thunderstorm/master/thunderstorm.rbIf you want to compile it yourself, please install Go then on the terminal get the required dependancies.
go get -u golang.org/x/net/http2
go get -u golang.org/x/crypto/pkcs12
go get -u github.com/aai/gocrypto/pkcs7
go get -u github.com/RobotsAndPencils/buford
go get -u github.com/codegangsta/cliThen build the executable
go build -ldflags="-w"