Extended version of tolua, a tool to integrate C/C++ code with Lua

https://github.com/LuaDist/toluapp

Tomcat native library

https://tomcat.apache.org/native-1.2-doc/

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

https://tomcat.apache.org/

Open-source Java web server by Apache, 11.0.x branch

https://tomcat.apache.org/

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

https://tomcat.apache.org/

Tegaki Online MOji-ninshiki Engine

http://tomoe.sourceforge.jp/

Portable fixed precision math library for fast exponentiations

http://libtom.net/

Toolbox bundle for GNUstep

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

An anonymizing overlay network for TCP

http://torproject.org/

Efficient way to prepare zipfiles for BitTorrent

http://trrntzip.sourceforge.net

Easy way to make any app work through Tor

https://gitlab.torproject.org/tpo/core/torsocks

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

http://www.tracker-project.org/

Miners for tracker2

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

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

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

Traditional (K&R-style) C preprocessor

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

Character encoding converter generator

Tools to convert Xfig .fig files

Meta-port for Transmission BitTorrent client

http://www.transmissionbt.com/

Transmission BitTorrent client

https://www.transmissionbt.com

Display a tree-view of directories with optional color or HTML output

https://oldmanprogrammer.net/source.php?dir=projects/tree

Incremental parser generator

https://tree-sitter.github.io/

Fully matured and stable set of printf and string functions

https://daniel.haxx.se/projects/trio/

Security Scanner

https://aquasecurity.github.io/trivy

Threaded Read News newsreader

Version 4.0 of the threaded readnews newsreader

https://sourceforge.net/projects/trn/

The open-source TCG Software Stack

http://sourceforge.net/projects/trousers

Powerful network analyzer/capture tool

https://www.wireshark.org/

Allow non SOCKS aware applications to use SOCKS without modification

http://tsocks.sourceforge.net

Advanced, hyperrealistic, multilingual typewriter font

https://copypaste.wtf/TT2020/

Benchmarking tool for analysing TCP and UDP performance

https://ftp.arl.army.mil/~mike/ttcp.html

True Type Font to Postscript Type 1 Converter

http://ttf2pt1.sourceforge.net/

Automatic font hinting library

https://www.freetype.org/ttfautohint/

Big5/GB enhanced TrueType Font Manager

MySQL performance tuning primer script

https://launchpad.net/mysql-tuning-primer

Drawing program designed for young children

https://www.tuxpaint.org/

Graphical tool to change TuxPaint settings

https://www.tuxpaint.org/

TuxPaint Localized Fonts

https://www.tuxpaint.org/

TuxPaint Stamps

https://www.tuxpaint.org/

3D penguin racing game using OpenGL

http://tuxracer.sourceforge.net/

Number of fonts which are useful for TV applications

http://linux.bytesex.org/xawtv/tvfonts.html

Digital TV and radio guide

http://www.tvbrowser.org

Color emoji font using Twitter Unicode 10

https://github.com/eosrei/twemoji-color-font

Twitch chat in the terminal

https://xithrius.github.io/twitch-tui/ https://github.com/Xithrius/twitch-tui

Tab Window Manager for the X Window System

Simple, secure, efficient FTP server

https://untroubled.org/twoftpd/

MPEG Audio Layer 2 encoder

http://twolame.sf.net/

Converts flat ASCII text to man page format

http://mvertes.free.fr/