iOS 即时通讯第三方SDK

1. 环信

   http://www.easemob.com/
   

2. 融云

   http://dev.netease.im/docs/index.php
   

3. leanCloud

   https://leancloud.cn/docs/
   

4. 网易云信

   http://dev.netease.im/docs/index.php
   

5. 极光IM

   http://docs.jpush.io/client/im_sdk_ios/

6. 阿里百川

     http://baichuan.taobao.com/doc2/detail?spm=0.0.0.0.FdiIyK&treeId=41&articleId=103398&docType=1
   

7. 容联云通讯

   http://www.yuntongxun.com/wiki/main
   

8. 爱萌sdk

      http://docs.imsdk.im/display/dev/iOS+SDK