готовая программа для общения через unix сокеты

emerge --search netcat
Searching...    
[ Results for search key : netcat ]
[ Applications found : 3 ]

*  net-analyzer/gnu-netcat
      Latest version available: 0.7.1-r3
      Latest version installed: [ Not Installed ]
      Size of files: 318 kB
      Homepage:      http://netcat.sourceforge.net/
      Description:   the GNU network swiss army knife
      License:       GPL-2

*  net-analyzer/netcat
      Latest version available: 110-r8
      Latest version installed: [ Not Installed ]
      Size of files: 107 kB
      Homepage:      http://nc110.sourceforge.net/
      Description:   the network swiss army knife
      License:       as-is

*  net-analyzer/netcat6
      Latest version available: 1.0-r2
      Latest version installed: [ Not Installed ]
      Size of files: 258 kB
      Homepage:      http://netcat6.sourceforge.net/
      Description:   netcat clone with better IPv6 support, improved code, etc...
      License:       GPL-2