MQTT服务官网：
http://mosquitto.org/download/

在unix系统按照以下步骤运行并启动mqtt服务：

1. # 下载源代码包
wget http://mosquitto.org/files/source/mosquitto-1.4.11.tar.gz

2. # 解压
tar zxfv mosquitto-1.4.5.tar.gz

3. # 进入目录

cd mosquitto-1.4.5

4. # 编译
make

5. # 安装
sudo make install

6. #启动服务
mosquitto -v

各种语言SDK下载

https://github.com/mqtt/mqtt.github.io/wiki/libraries

下载C# SDK
https://github.com/stevenlovegrove/MqttDotNet

HTML5 websocket mqtt:

mqtt.js
https://github.com/eclipse/paho.mqtt.javascript
https://eclipse.org/paho/clients/js/#

http://mosquitto.org/js/mosquitto-1.1.js
http://mosquitto.org/js/mosquitto-1.1.min.js

文档
http://www.eclipse.org/paho/files/jsdoc/index.html

MQTT入手笔记