It's simple cli application for communication over OTR protocol.
Alice (as server)
$ ./otr-cli -l -s SecretForOTR :1234
Bob (as client)
$ ./otr-cli -s SecretForOTR 127.0.0.1:1234
[!] Their fingerprint: A5FFC7DB70FE61C6CC3E2DB3BE99586DC4E49F64
[!] Answer a question 'Do you know secret?'
[!] Answer is correct
Alice
[!] Their fingerprint: 8F48A7F30ED884678D7EE93BE0CB941E1EC4C77B
[!] Asking a question with answer: SecretForOTR
[!] Answer is correct
Now you can chat with each other.
sudo apt-get install git golang
git clone https://github.com/ld86/otr-cli
cd otr-cli
export GOPATH=`pwd`
go get
go build