sniproxy | | Proxy that routes based on TLS server name extension |
snmptt | | SNMP trap handler written in Perl |
snort | | The Open Source Network Intrusion Detection System |
snort-rules | | Network Intrusion Detection System (Community Rules) |
socat | | netcat++ (extended design, new implementation) |
socket++ | | C++ class library for UNIX Sockets with exception handling |
socks4 | | Old library, server and client for using proxy firewall software |
sofia-sip (V) | | Open-source SIP User-Agent library |
solaris-tap | | Solaris kernel module for virtual Ethernet devices |
speedtest-cli | | Command line client for use with speedtest.net |
speedtouch | | Alcatel SpeedTouch USB ADSL modem driver |
spegla | | Mirror program for FTP sites (written in C) |
spiped (V) | | Tool for creating symmetrically encrypted and authenticated pipes |
spread | | Group communication system providing a number of messaging services |
spreadlogd | | Daemon to log to file, messages from spread toolkit clients |
srsh | | Emulate rsh client behavior using ssh |
sslh | | Multiplex ssl, ssh, and other connections on the same port |
ssmping | | Ping for Any- and Single-Source Multicast |
ssync | | Invoke rsync to distribute files to a set of hosts |
stripes | | Looking Glass for Zebra and Cisco Routers |
sup | | Network file distribution/synchronisation utility |
syncffsd | | FFS file system mirroring using rsync |
syncthing | | Keeps directories in sync across hosts |
syncthing-gtk | | GTK3 & Python based GUI for Syncthing |
synergy | | Let a user share a mouse and keyboard among computers |
sysmon | | Small and fast network monitoring tool |
tacacs | | Cisco authentication, authorization, and accounting protocol daemon |
tacacs-shrubbery | | Cisco AAA protocol (tacacs+) daemon (Shrubbery Networks version) |
tcl-scotty | | Network management extensions to TCL |
tcpdmerge | | Merge two tcpdump output files |
tcpdpriv | | Anonymize tcpdump traces |
tcpdstat | | Analyze tcpdump output |
tcpdump | | Network monitoring tool |
tcpflow | | Captures data transmitted as part of TCP connections |
tcpick | | Simple tcp sniffer with tcpdump-style rules |
tcpillust | | Graphical TCP connection analysis tool |
tcpreplay | | Replay saved tcpdump or snoop files |
tcpslice | | Tool for extracting portions of tcpdump's packet trace files |
tcptrace | | TCP dump file analysis tool |
tcptraceroute | | Traceroute implementation using TCP packets |
tcptraceroute6 | | Traceroute6 implementation using TCP packets |
teamspeak-client | | Teamspeak group VoIP client |
teamspeak-server | | Teamspeak group VoIP server |
tigervnc | | High-performance, platform-neutral VNC client/server |
tightvnc | | Display X and Win32 desktops on remote X/Win32/Java displays |
tightvncviewer | | Viewer for remote X and Win32 VNC servers |
tinc | | Virtual Private Network (VPN) daemon |
tinyfugue | | Popular programmable MUD client, with macro support and more |
tkined | | Graphical network discovery and monitoring tool based on scotty |
tn5250 | | Implementation of the IBM 5250 telnet protocol |
tnftp | | The enhanced FTP client in NetBSD |
tnftpd | | The NetBSD FTP Daemon |
tor | | Anonymizing overlay network for TCP |
torrentutils | | Manage BitTorrent files and interact with trackers |
totd | | DNS proxy that supports IPv6 <==> IPv4 record translation |
traceroute-as | | Traceroute capable of reporting the AS number of hops |
traceroute-nanog | | Traceroute implementation with extend features |
trafshow | | Full screen visualization of the network traffic |
transmission | | Free, lightweight BitTorrent client |
transmission-gtk | | Free, lightweight BitTorrent client |
transmission-qt | | Free, lightweight BitTorrent client |
trickle | | Portable lightweight userspace bandwidth shaper |
tsclient | | GNOME2 Frontend for rdesktop |
tsocks | | Transparent SOCKS proxying library |
tspc | | Tunnel Setup Protocol Client for Freenet6 |
ttt | | Tele Traffic Tapper |
tvnjviewer | | JAVA VNC viewer |
twittering-mode | | Emacs client for twitter |
twitux | | GTK+ Twitter client |
u6rd | | User-space 6rd (RFC 5569) implementation |
ucarp | | Common Address Redundancy Protocol (CARP) for Unix |
ucspi-ssl | | Command-line tools for SSL client-server applications |
ucspi-tcp | | Command-line tools for building TCP client-server applications |
udns | | Lightweight DNS resolver supporting asynchronous queries |
udpcast | | Send data simultaneously to many destinations on a LAN |
udptunnel | | Tunnel UDP packets over a TCP connection |
uftp | | UFTP is an encrypted multicast file transfer program |
unbound | | DNS resolver and recursive server |
unfs3 | | Userspace NFSv3 server |
unifi | | Provisioning software for network products made by Ubiquiti |
unison | | File-synchronization tool |
unison2.32 | | File-synchronization tool (old 2.32 branch) |
unison2.40 | | File-synchronization tool |
unworkable | | BSD-licensed command-line torrent client |
upclient | | Keeps track of your server uptime, and compares it to other hosts |
upnpinspector | | UPnP analyzer |
urlgfe | | Download manager for X |
userppp | | User-PPP package as found in FreeBSD and OpenBSD |
ushare (V) | | UPnP AV Mediaserver |
uucp | | Taylor UUCP |
vcheck | | Latest program version checker and auto-downloader |
vde | | Virtual Distributed Ethernet tools |
vinagre | | VNC client for GNOME |
vino | | VNC server for GNOME |
vnc | | Display X and Win32 desktops on remote X/Win32/Java displays |
vncviewer | | Viewer for remote X and Win32 VNC servers |
vnstat | | Small network traffic monitor |
vpnc | | Client for Cisco3000 VPN Concentrator |
vpnc-script | | Improved config script for OpenConnect and vpnc |
vsftpd | | FTP server that aims to be very secure |