MsgPack Headers for R
MessagePack is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON. But it is faster and smaller. Small integers are encoded into a single byte, and typical short strings require only one extra byte in addition to the strings themselves.
MsgPack itself is pretty mature. This package has also been used quite a bit as an optional extension for RcppRedis.
The package can be installed from CRAN via
or if you prefer non-release development version these can be installed from GitHub via e.g.
or maybe just checkout the repository locally.
GPL (>= 2)