I as a meteorologist am often confronted with grib files, a binary file format for gridded data (e.g., weather forecasts). I've put my R package *getgrib* online if someone needs easy access to grib1/grib2 data. The package is far away from beeing finished, however, try it out :).
Where to find
Check out this site for more information
or directly jump to the github repository
Questions and contributions are always welcome :).