State Threads Library for Internet Applications

http://state-threads.sourceforge.net/

Advanced IP/IPv6 subnet calculation and discovery

http://www.seccuris.com

Network tool designed for high performance and accurate monitoring

http://puck.nether.net/sysmon/

Six utilities for manipulating t1 fonts

https://www.lcdf.org/~eddietwo/type/

Library for manipulating ID3 tags and Ogg comments

http://taglib.github.com/

Hierarchical pool based memory allocator

https://talloc.samba.org/

Tool Command Language

http://www.tcl.tk/

Shell wrapper for tclsh (Tcl)

Tool Command Language

http://www.tcl.tk/

Tool Command Language

http://www.tcl.tk/

Tool Command Language

http://www.tcl.tk/

Tool to replay saved packet capture files

https://github.com/appneta/tcpreplay

Packet sniffer which displays TCP information like top(1)

http://BSDforge.com/projects/net-mgmt/tcptrack/

Set of configuration scripts for the TCSH shell

http://tcshrc.sourceforge.net/

Trivial Database

https://tdb.samba.org/

Meta-port that creates a site-local TEXMF directory

Tiny/turbo/throttling HTTP server

http://www.acme.com/software/thttpd/

Fixes and tidies up HTML files

https://www.w3.org/People/Raggett/tidy/

Library and program to validate and fix HTML

http://tidyp.com/

Tools and library routines for working with TIFF images

http://www.simplesystems.org/libtiff/

MIDI to PCM software synthesizer

http://www.onicos.com/staff/iz/timidity/

A server which provides telnet(1) access to one or more tty ports

Shell wrapper for wish (Tk)

Extremely portable perl-based make utility

http://tmake.sourceforge.net/

A textbased (console) MSN client

http://tmsnc.sourceforge.net/

Enhanced ftp client from NetBSD

https://ftp.netbsd.org/pub/NetBSD/misc/tnftp/

Anonymizing overlay network for TCP

https://www.torproject.org/

Traditional (K&R-style) C preprocessor

https://www.NetBSD.org/~dholland/tradcpp/

The BPF Traffic Collector

Meta-port for Transmission BitTorrent client

http://www.transmissionbt.com/

Data compression library with low memory usage

https://www.oberhumer.com/opensource/ucl/

Common subroutines for UCL mbone applications

http://www-mice.cs.ucl.ac.uk/multimedia/software/common/

Command-line tools for building TCP client-server applications

http://cr.yp.to/ucspi-tcp.html

DNS resolver library with sync and async queries

https://www.corpit.ru/mjt/udns.html

Fast copy utility for UFS filesystem

http://people.freebsd.org/~simokawa/ufs/

Convert MagicISO UIF files to ISO9660

http://aluigi.altervista.org/mytoolz.htm

Allows files to be extracted from ARJ archives

http://www.arjsoftware.com/

Convert ASCII newlines between CR/LF and LF

Extract Makeself archives

Lists/Extracts files from a "*.tgz" or "*.gz" archive

List, test, and extract compressed files from a ZIP archive

http://infozip.sourceforge.net/UnZip.html

Zoo archive extractor

http://freshmeat.sourceforge.net/projects/unzoo/

Universal Plug and Play Software Development Kit

http://pupnp.sourceforge.net/

APC Smart UPS Monitoring Daemon

Basic UPS monitor for the APC SmartUPS devices

URL extractor/launcher

https://github.com/sigpipe/urlview

Library for uu/xx/Base64/BinHex/yEnc de-/encoding

http://www.fpx.de/fp/Software/UUDeview/

Video4Linux IOCTL header files

https://linuxtv.org

Implementation of the UNIX 7th Edition shell

http://minnie.tuhs.org/UnixTree/V7/

Video extension headers

http://www.freedesktop.org/wiki/Software/xlibs