TSpaces is a set of network communication buffers called tuple spaces and a set of APIs (and classes that implement the API) for accessing those buffers. TSpaces allows heterogeneous, Java-enabled devices to exchange data with little programming effort. The package includes server software that implements the buffers and client software for accessing the buffers.
jlip is a SLIP-driver with additional features like one logical link over many physical lines (multiline), IP-over-TCP tunnelling with public key hosts authorization (elliptic curves) and data encryption (blowfish with 112-448 bits key) for VPNs (Virtual Private Networks). It currently works under FreeBSD only and there are no english docs. A russian to english translation is welcome.
tcp_server is a simple, easily configurable tcp server for serving up multiple 'servlet' like processes. The servlet's can be extremely simple: No socket handling is required for the servlet, all it needs to do is read from stdin, and write to stdout. See the README for more information.