The BPF Traffic Collector

Meta-port for Transmission BitTorrent client

http://www.transmissionbt.com/

DEC-XTRAP extension headers

Open-source TCG Software Stack

https://sourceforge.net/projects/trousers/

Allow non SOCKS aware applications to use SOCKS without modification

http://tsocks.sourceforge.net

Tab Window Manager for the X Window System

MPEG Audio Layer 2 encoder

http://twolame.sf.net/

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

Extract, view & test ACE archives

http://www.winace.com/

Validating, recursive, and caching DNS resolver

https://www.nlnetlabs.nl/projects/unbound

Remove idle cursor image from screen

Convert ASCII newlines between CR/LF and LF

ODBC library suite for Unix

http://www.unixodbc.org/

Extract Makeself archives

Extract, view & test RAR archives

https://www.rarlab.com/

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

Ultimate Packer for eXecutables

https://upx.github.io/

URL extractor/launcher

https://github.com/sigpipe/urlview

Lightweight UPnP (TM) A/V Media Server

http://ushare.geexbox.org/

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/

Emulates a MacPlus machine! Runs MacOS versions up to 7.5.5

http://www.vmac.org/

Markup Validation Service from the World Wide Web Consortium (W3C)

http://validator.w3.org/

Video extension headers

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

Graphical class browser for Xt

https://gitlab.freedesktop.org/xorg/app/viewres

vitetris is a terminal-based Tetris clone by Victor Nilsson.

http://victornils.net/tetris/

Curses based real-time logfile viewer esp. useful for ipflog

http://inc2.com/isba/index-vlog.html

Fast offline password cracker for VNC passwords

http://www.randombit.net/projects/vnccrack/

Multi-client VNC proxy server

https://sourceforge.net/projects/vnc-reflector/

Verify mail address

https://github.com/asxe/vrfy/

Audio codec for lossless, lossy, and hybrid compression

https://www.wavpack.com/

TrueType core fonts for the Web

Web-based firewall log analyzer

http://www.webfwlog.net

HTML validator and sanity checker

Google WebP image format conversion tool

https://developers.google.com/speed/webp/

Online Subversion repository browser

https://websvnphp.github.io/

WepLab is a tool designed to teach how WEP works

http://weplab.sourceforge.net

Retrieve files from the Net via HTTP(S) and FTP

https://www.gnu.org/s/wget/

Easily convert between three common subnet mask notations

http://www.laffeycomputer.com/whatmask.html

File and block device wiping utility

http://wipe.sourceforge.net/