A Fast and Small alternative to JSON

If your application needs to transfer data over Internet using some mobile device connected to GSM network, then using JSON or other text serializer is not a good solution. It is better to use a binary serializer.

Searching for alternatives I found MessagePack: http://msgpack.org

There are other alternatives like Google’s BufferProtocol, but it is not so efficient as MessagePack.

You can find a listing with many alternatives in the wikipedia: