Besides using Fetion, what other software can send messages to others for free (without adding friends first)?

Now there is a software that does well. It is the ZOZOC (Chinese: Guest) used by the majority of mobile phone players. It mainly has these characteristics:

1. There is no limit to sending free short messages, users have no points, and the number of short messages sent every day is unlimited. You can enjoy the service as long as you register.

2. The sending object is particularly wide, and the receiving party including mobile, Unicom and PHS users can receive it.

3. There are two sending methods, which support mobile phone to install software and log in to official website.