Availability and downloads
RPCAP is hosted on SourceForge. The project page is located at http://sourceforge.net/projects/rpcap.
The Sourceforge download page is here. Both rpcap and rtdump may be downloaded from here
Currently only the development version of rpcap, the latest verion of which is labelled rpcap-devel-0.23.tar.gz, has been released, and is available for download at Sourceforge, at http://prdownloads.sourceforge.net/rpcap/rpcap-devel-0.23.tar.gz.
The current version of rtdump is rtdump-1.0 and is available for download here.