The package supports drawing proof trees of the kind often used in introductory logic classes, especially those aimed at students without strong mathemtical backgrounds. Hodges (1991) is one example of a text which uses this system. When teaching such a system it is especially useful to annotate the tree with line numbers, justifications and explanations of branch closures. The package provides a single environment, prooftree, and a variety of tools for annotating, customising and highlighting such trees. A cross-referencing system is provided for trees which cite line numbers in justifications for proof lines or branch closures.

The doc package includes tools for describing macros and environments in LaTeX source .dtx format. The dtxdescribe package adds tools for describing booleans, lengths, counters, keys, packages, classes, options, files, commands, arguments, and other objects, and also works with the standard document classes as well, for those who do not wish to use the .dtx format.

Each item is given a margin tag similar to \DescribeEnv, and is listed in the index by itself and also by category. Each item may be sorted further by an optional class. All index entries except code lines are hyperlinked. The dtxexample environment is provided for typesetting example code and its results. Contents are displayed verbatim along with a caption and cross-referencing. They are then input and executed, and the result is shown. Environments are also provided for displaying verbatim or formatted source code, user-interface displays, and sidebars with titles. Macros are provided for formatting the names of inline LaTeX objects such as packages and booleans, as well as program and file names, file types, internet objects, the names of certain programs, a number of logos, and inline dashes and slashes.

Epigrafica is a Greek and Latin font, forked from the development of the Cosmetica font, which is a similar design to Optima and includes Greek.

The package provides a language description file that enables support of Romansh either with Babel or with Polyglossia.

This package integrates the letter class with fancyhdr and geometry to automatically make letterhead stationery. It is useful for writing letters, fax, and memos. You can set up an address book using wrapper macros. You put all the information for a person into a wrapper and then put the wrapper in a document. The class handles letterheads automatically. You place the object for the letterhead (picture, information, etc.) in a box and all sizing is set automatically.

This package provides a BibLaTeX style to format reference lists in the Harvard style recommended by the University of Bath Library.

The xellipsis package provides a system for configuring (almomst) every possible aspect of ellipses, including preceding and proceeding characters; the character itself; distances before and after each of these; and number of characters. It comes with both a compatibility option for standard LaTeX \ldots as well as preset package options for the Chicago Manual of Style (Turabian); the Bluebook; and MLA guidelines.

This package provides a mechanism to include fragments of DVI files with the graphicx package, so that you can use \includegraphics to include DVI files. The package requires the dvipaste program.

The font (defined in Metafont) defines a single character, a black solid skull. A package is supplied to make this character available as a symbol in maths mode.

This is a package to present, like in an operating-system, a fake terminal, a fake context menu with sub-menus, and a fake viewer.

This package provides traditional style Irish fonts, in both lower and upper case 32 letters are defined (18 plain ones, 5 long vowels and 9 aspirated consonants). The ligature agus is also made available. The remaining characters (digits, punctuation and accents) are inherited from the Computer Modern family of fonts.

The package allows you to use the Ibycus 4 font for ancient Greek with Babel. It uses a Perl script to generate hyphenation patterns for Ibycus from those for the ordinary Babel encoding, cbgreek. It sets up ibycus as a pseudo-language you can specify in the normal Babel manner.

The package is used to draw bond graphs in LaTeX. Compared to the bondgraph package this package relies more on TikZ styles and less on macros, to generate the drawings. As such it can be more flexible than his, but requires more TikZ knowledge of the user.

The package provides a macro \sidenote, that places a note in the margin of the document, with its baseline aligned with the baseline in the body of the document. These sidenotes are numbered (both in the text, and on the notes themselves).

This package is used to produce printed slides with LaTeX and online presentations with pdfLaTeX.

This package provides an interface to dummy text in Chinese language, which will be useful for testing Chinese documents. UTF-8, GBK and Big5 encodings are supported.

The endnotes package can be used to accumulate notes (using the \endnote command, which can be used as a replacement for \footnote), and place them at the end of the section, chapter or document.

This LuaLaTeX package provides batch generation of scale and chord diagrams for plucked string instruments, such as the guitar.

These packages provide support for, and documentation in, English.

The bundle provides pLaTeX2e and miscellaneous macros for pTeX and e-pTeX.

The package provides basic macros that use PSTricks for shadows, tilting and three dimensional representations of text or graphical objects.

This package provides a number of formulas frequently used in rigid body mechanics. Since most of these formulas are long and tedious to write, this package wraps them up in short commands.

This package makes it easier to maintain and edit your exercise sets. Exercises are saved as separate files containing part problems. These files can be used to make sets, and you can cherry-pick or exclude certain part problems as you see fit.

The package allows (the URW clone of) Zapf Chancery to function as a maths alphabet, the target of \mathcal or \mathscr, with accents appearing where they should, and other spacing parameters set to reasonable (not very tight) values. The font itself may be found in the URW basic fonts collection. This package supersedes the pzccal package.