TeXLive manager modules

Converts e-mail attachments to plain-text

http://raf.org/textmail/

Tiny/turbo/throttling HTTP server

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

Xfce file manager

https://docs.xfce.org/xfce/thunar/Start

Archive plugin for the Thunar File Manager

https://goodies.xfce.org/projects/thunar-plugins/thunar-archive-plugin

Media tags plugin

https://goodies.xfce.org/projects/thunar-plugins/thunar-media-tags-plugin

Version Control System plugin for Thunar

http://goodies.xfce.org/projects/thunar-plugins/thunar-vcs-plugin

Mozilla Thunderbird for FreeBSD

http://www.mozilla.com/thunderbird/

Fixes and tidies up HTML files

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

Utility to clean up and pretty print HTML/XHTML/XML

http://tidy.sourceforge.net/

Tidy tidies HTML and XML documents

http://www.html-tidy.org/

Utility to clean up and pretty print HTML/XHTML/XML (with shared lib)

http://tidy.sourceforge.net/

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/

TigerVNC Server

https://tigervnc.org/

TigerVNC Viewer

https://tigervnc.org/

JACK audio capture tool

http://plugin.org.uk/timemachine/

CPU time usage monitor for GNUstep

http://www.nongnu.org/gap/timemon/index.html

Gtk3 timezone map widget, forked from gnome which forked from Ubiquity

https://github.com/dashea/timezonemap

MIDI to PCM software synthesizer

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

Easy-to-use threaded newsreader with NOV/NNTP support

http://www.tin.org/

Lightweight freedesktop-compliant panel/taskbar/systray/clock

https://gitlab.com/o9000/tint2

Minimalistic DHCP, UDP proxy, etc server implementations

https://github.com/yurivict/tiny-network-utilities

Analogous to cdb, but faster

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

Small C++ XML parser

https://sourceforge.net/projects/tinyxml/

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

Shell wrapper for wish (Tk)

Graphical toolkit for Tcl

http://www.tcl.tk/

Tk based replacement for xfontsel

Tk library to access to X Shaped Window Extension

http://www.cs.man.ac.uk/~fellowsd/tcl/shapeidx.html

Collection of Thai TrueType fonts

http://linux.thai.net/projects/fonts-tlwg

Extremely portable perl-based make utility

http://tmake.sourceforge.net/

Free Tibetan Machine Uni font

http://thdltools.sourceforge.net/

Terminal Multiplexer

http://tmux.github.io/

Enhanced ftp client from NetBSD

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

Tomcat native library

https://tomcat.apache.org/native-1.3-doc/

Open-source Java web server by Apache, 10.0.x branch

https://tomcat.apache.org/

Open-source Java web server by Apache, 10.1.x branch

https://tomcat.apache.org/

Open-source Java web server by Apache, 8.5.x branch

https://tomcat.apache.org/

Open-source Java web server by Apache, 9.0.x branch

https://tomcat.apache.org/

Portable fixed precision math library for fast exponentiations

http://libtom.net/

Toolbox bundle for GNUstep

http://www.nongnu.org/toolbox/

Anonymizing overlay network for TCP

https://www.torproject.org/

Efficient way to prepare zipfiles for BitTorrent

http://trrntzip.sourceforge.net

Gstreamer-based video player for the GNOME 3 Desktop

https://www.gnome.org/projects/totem/

GObject-based library to parse a host of playlist formats

Trusted Platform Module (TPM) emulator

http://tpm-emulator.berlios.de/

Object database, tag/metadata database, search tool and indexer

https://wiki.gnome.org/Projects/Tracker

Miners for tracker2

https://wiki.gnome.org/Projects/Tracker

Object database, tag/metadata database, search tool and indexer

https://wiki.gnome.org/Projects/Tracker