GNU TeXmacs is a free wysiwyw (what you see is what you want) editing platform with special features for scientists. The software aims to provide a unified and user friendly framework for editing structured documents with different types of content: text, mathematics, graphics, interactive content. TeXmacs can also be used as an interface to many external systems for computer algebra, numerical analysis, and statistics. New presentation styles can be written by the user and new features can be added to the editor using Scheme.
FIGlet is a program for making large letters out of ordinary text. It prints its input using large characters made up of ordinary screen characters. FIGlet output is generally reminiscent of the sort of "signatures" many people like to put at the end of email and UseNet messages. It is also reminiscent of the output of some banner programs, although it is oriented normally, not sideways.
Opcion Font Viewer is a Java application that allows you to view both installed and uninstalled TrueType fonts on Windows, Linux, Unix, or Mac OS. Unlike the default font viewers supplied with most operating systems, it allows you to view many fonts at a time, giving you the power to set the sample text shown and font style. This makes it easy to choose the best font to use for graphics and multimedia project.
PalmFontConv is a collection of command-line utilities to manipulate Palm fonts in both v1 and v2 formats. Currently, there is a converter that converts between afnx, nfnt (low, high, or both densities), NFNT, and text editable formats, and another converter that converts Type 1/TrueType/BDF/PCF and other formats supported by FreeType2 into the text editable format, code for generating Plucker and PalmBible+ compatible anti-aliased fonts. There are also a bunch of GUI shells for generating font packages for Plucker, PalmBible+, Fonts4OS5, and FontSubst.
Univert is a Universal Unicode Converter, at least as universal as the Unicode implementation in Tcl 8.1 or later can manage on your computer. Univert will convert interchangably between the following formats: native Tcl unicode, hex bytes or words separated by spaces, decimal bytes or words separated by spaces, HTML entities, UTF-8/URL encoding, quoted printable with whatever the current encoding is, and C string with whatever the current encoding is.