• ae

  Provides virtual fonts that simulate T1-encoded text using Computer Modern fonts, primarily for generating PDF files with Type 1 font support.

• amscls

  Provides specialized document classes designed for professional mathematical and scientific publications, particularly those conforming to American Mathematical Society standards.

• amsfonts

  Provides an extensive collection of specialized mathematical fonts and symbols commonly used in advanced mathematical typesetting.

• amsmath

  Extends LaTeX's mathematical typesetting capabilities with advanced environments, commands, and tools for formatting complex mathematical expressions.

• atbegshi

  Enables execution of custom commands at specific page output points during document compilation, providing fine-grained control over page processing.

• atveryend

  Provides specialized hooks and commands for executing code at the precise end of document compilation.

• auxhook

  Provides specialized hooks for modifying and extending the behavior of auxiliary files during LaTeX document compilation.

• babel

  Provides comprehensive multilingual support and language-specific typographical rules for documents written in various TeX engines.

• babel-english

  Provides comprehensive language support and hyphenation patterns for various English dialects in LaTeX documents.

• babelbib

  Enables creation of multilingual bibliographies with flexible language control and typography customization for academic documents.

• bibtex

  Processes and manages bibliographic references, enabling automatic citation formatting and bibliography generation according to specified citation styles.

• bigintcalc

  Enables expandable arithmetic operations on integers beyond standard TeX number size limitations.

• bitset

  Provides tools for creating and manipulating dynamic bit vectors, enabling efficient handling of binary data structures in documents.

• bookmark

  Enhances PDF document navigation by providing advanced bookmark and outline management capabilities with single-pass compilation.

• carlisle

  Provides a collection of small but useful utilities for specialized LaTeX formatting and character manipulation tasks.

• cm

  Provides the foundational font family that defines the classic, academic look of TeX documents with comprehensive roman, sans-serif, and mathematical character support.

• colorprofiles

  Provides a collection of standardized ICC color profiles for precise color management in documents and graphics.

• colortbl

  Enables the application of custom colors to table elements, including rows, columns, and individual cells in tabular environments.

• dvipdfmx

  Converts DVI files to PDF format with enhanced support for East Asian languages and multi-byte character encodings.

• dvips

  Converts DVI (Device Independent) files produced by TeX into PostScript format for printing and further processing.

• ec

  Provides enhanced Computer Modern fonts with comprehensive European language support and additional typographic symbols through T1 and TS1 encodings.

• enctex

  Provides input encoding translation capabilities for TeX, enabling seamless handling of various character encodings and input formats.

• epstopdf-pkg

  Automatically converts EPS graphics files to PDF format during document compilation when using pdfTeX.

• etex

  Provides essential engine-level extensions and enhancements to the core TeX system, enabling advanced programming capabilities and improved functionality.

• etex-pkg

  Enables access to extended e-TeX features and register ranges within LaTeX documents, enhancing core functionality beyond traditional TeX limitations.

• etexcmds

  Resolves naming conflicts between e-TeX primitives and existing LaTeX macros by providing prefixed command alternatives.

• etoolbox

  Provides advanced programming tools and utilities for creating LaTeX classes and packages, with particular focus on e-TeX functionality.

• extractbb

  Extracts and exports image and PDF file dimensions into a TeX-parseable text format for seamless document processing.

• fancyhdr

  Provides comprehensive control over page header and footer customization, enabling flexible page layout designs and consistent document styling.

• fix2col

  Provides historical fixes for two-column document mode features, though now obsolete as its functionality is integrated into modern LaTeX.

• geometry

  Provides intuitive control over document page layout, margins, and paper dimensions with minimal configuration required.

• gettitlestring

  Processes and sanitizes title strings by removing unwanted commands and markup to ensure clean title references in documents.

• graphics

  Provides essential functionality for including and manipulating external graphics files within LaTeX documents.

• graphics-cfg

  Provides default configuration files that automatically set up the correct drivers for color and graphics handling in LaTeX documents.

• graphics-def

  Provides essential driver files that enable color and graphics support across different LaTeX output formats and engines.

• grfext

  Provides tools for customizing how graphics file extensions are handled and recognized in LaTeX documents.

• hopatch

  Enables dynamic registration and application of patch code for LaTeX packages, either immediately or upon package loading.

• hycolor

  Provides essential color handling functionality for hyperlinks and bookmarks in PDF documents.

• hypcap

  Fixes hyperlink anchoring behavior for floating elements by ensuring links point to the start of figures and tables rather than their captions.

• hyperref

  Enables interactive cross-references, clickable links, and PDF bookmarks in LaTeX documents, enhancing digital document navigation and accessibility.

• hyph-utf8

  Provides standardized hyphenation patterns in UTF-8 format, ensuring consistent word breaks across modern TeX engines and legacy systems.

• hyphenex

  Provides specialized hyphenation pattern exceptions for American English text, improving word-breaking accuracy in typeset documents.

• ifplatform

  Provides conditional commands to detect and respond to different operating system environments during document compilation.

• iftex

  Provides tools for detecting and conditionally responding to different TeX engines during document compilation.

• intcalc

  Provides robust and expandable arithmetic operations for integer calculations within TeX documents.

• knuth-lib

  Provides foundational TeX and Metafont macro files essential for core typesetting functionality and historical compatibility.

• knuth-local

  Provides experimental programs and developmental tools that complement and extend core TeX functionality.

• kpathsea

  Provides intelligent file searching and path resolution capabilities for TeX-related files and resources across different system configurations.

• kvdefinekeys

  Provides specialized functionality for defining and managing key-value pairs in LaTeX document customization and package configuration.

• kvoptions

  Provides a standardized framework for implementing key-value style options in LaTeX package development.

• kvsetkeys

  Provides enhanced key-value parsing functionality with support for handling unknown options and special characters in LaTeX documents.

• l3backend

  Provides essential backend driver interfaces for LaTeX3 functionality, enabling consistent behavior across different TeX engines.

• l3kernel

  Implements core programming interfaces and conventions for LaTeX3 development, providing essential foundations for modern LaTeX package creation.

• l3packages

  Provides legacy support for high-level LaTeX3 programming concepts and interfaces that have since been integrated into the LaTeX kernel.

• latex

  Provides a comprehensive document preparation system built on TeX, offering structured commands and environments for professional document creation.

• latex-fonts

  Provides essential font collections required for core LaTeX functionality, including specialized fonts for slides, diagrams, and mathematical symbols.

• latex-lab

  Provides experimental and developmental LaTeX features for testing before integration into the core kernel, enabling transparent access to new functionality.

• letltxmacro

  Provides enhanced macro redefinition capabilities that correctly handle LaTeX commands with optional arguments and robust commands.

• ltxcmds

  Provides essential LaTeX kernel utility commands in a format-independent way, making core functionality accessible across different TeX environments.

• ltxmisc

  Provides a collection of small, useful LaTeX utilities and enhancements that don't warrant separate packages.

• lua-alt-getopt

  Provides command-line argument processing functionality for Lua scripts, following the familiar BSD/GNU getopt_long convention.

• luatex

  Provides an advanced TeX engine with embedded Lua scripting capabilities, Unicode support, and modern font handling while maintaining compatibility with traditional TeX.

• makeindex

  Processes and generates hierarchical indexes from document markup, converting raw index entries into properly formatted, sortable output for typesetting.

• metafont

  Provides a programming language and system for creating customized bitmap fonts with precise mathematical control over their design and parameters.

• mflogo

  Provides specialized fonts and commands for typesetting the official Metafont and METAPOST logos with correct styling and spacing.

• mfnfss

  Provides specialized font support for typesetting documents using Old German and Pandora font families.

• mfware

  Provides essential utilities and tools for processing and working with Metafont output files.

• modes

  Provides a comprehensive collection of Metafont mode definitions for various output devices and printing technologies.

• natbib

  Provides flexible citation and bibliography management with support for both author-year and numbered reference styles.

• oberdiek

  Provides a comprehensive collection of utility packages offering specialized functionality for document formatting, PDF handling, mathematical notation, and various LaTeX enhancements.

• pagesel

  Enables selective printing of document pages by filtering specific pages, ranges, or odd/even sequences during output.

• pdfescape

  Provides essential string escaping and encoding functionality for handling special characters and strings in PDF output.

• pdftex

  Enables direct generation of PDF documents from TeX source files, offering enhanced features and modern output capabilities.

• pdftexcmds

  Provides essential pdfTeX utility functions and primitives for LuaTeX, ensuring compatibility and consistent functionality across TeX engines.

• plain

  Provides the fundamental format that implements the basic TeX typesetting system as described in Knuth's TeXbook.

• pslatex

  Configures LaTeX to use PostScript fonts by default, with automatic scaling adjustments for improved visual harmony between different font families.

• psnfss

  Provides comprehensive support for professional-quality PostScript fonts in LaTeX documents, including the classic LaserWriter 35 font set and additional typefaces.

• pspicture

  Provides enhanced picture-drawing capabilities using PostScript commands for creating vector graphics and diagrams.

• refcount

  Enables manipulation of counters using values from cross-references and page numbers in documents.

• rerunfilecheck

  Monitors auxiliary files during compilation and issues warnings when changes require additional LaTeX runs for proper document synchronization.

• stringenc

  Provides essential functionality for converting text strings between different character encodings in TeX-based documents.

• tex

  Provides a foundational typesetting engine and macro processor for transforming plain text into professionally formatted documents.

• tex-ini-files

  Provides essential initialization files for creating and customizing TeX format definitions across different TeX engines and distributions.

• unicode-data

  Provides standardized access to Unicode character data and properties for advanced text processing and internationalization in TeX-based systems.

• uniquecounter

  Generates unlimited unique numerical values through specialized counters that can be independently named and tracked.

• url

  Provides intelligent line-breaking and formatting for URLs, file paths, and similar technical strings within documents.

• xdvi

  Provides a fast and efficient DVI file previewer specifically designed for Unix-based systems with X Window System support.