GNU Emacs manual. GNU Emacs Lisp reference manual. An Introduction to Programming in Emacs Lisp. GNU Emacs FAQ. GNU Emacs on MS Windows FAQ. GNU Emacs reference cards. Auth-source Emacs library for storing and sharing secret data. Autotype Features for frequently-entered text. Calc Calc is an advanced calculator and mathematical tool. CC mode Mode for editing C, C++, Objective C, Java, Pike, and IDL code. CL-Lib Partial Common Lisp support for Emacs Lisp. D-Bus Emacs API for using the D-Bus message bus system. Dired-X Extra Dired features. Ebrowse C++ class browser. EDE Package to simplify building and debugging programs. EDT EDT Emulator. Ediff Visual interface for comparing and merging programs. Eglot Language Server Protocol client for Emacs. EIEIO Common Lisp Object System library for Emacs. Emacs GnuTLS Emacs interface to the GnuTLS library. Emacs MIME Emacs library for composing and showing MIME messages. EasyPG Assistant Emacs user interface to the GNU Privacy Guard. ERC Modular and extensible IRC client for Emacs. ERT The Emacs Lisp Regression Testing tool. Eshell Command shell implemented in Emacs Lisp. EUDC The Emacs Unified Directory Client. EWW A web browser. Forms Mode for manipulating text forms. Flymake On-the-fly programming language syntax checker. Gnus Mail and news reader. Htmlfontify Export buffers to HTML. IDLWAVE Major mode and shell for IDL and WAVE/CL files. IDO A package for interactively doing things. Info The Info documentation browser. Mairix Emacs interface to the Mairix email indexing tool. Message Mail and news composition mode for Gnus. MH-E Interface to the MH mail system. Modus Themes Highly accessible themes. Newsticker A newsticker for Emacs. nXML XML editing mode with RELAX NG support. Octave mode Major mode for GNU Octave code. Org mode Outline-based note manager and organizer. PCL-CVS Front-end to CVS. PGG Obsolete interface library for secure communication; see EasyPG. RCIRC IRC client for Emacs. RefTeX Manage labels, references, citations and index entries. Remember Tool for managing todo lists, schedules, and other data. SASL Emacs interface to the SASL (Simple Authentication and Security Layer) framework. Semantic Source code parsing utilities for Emacs. Semantic parser (bovine) The original Semantic parser. Semantic Recoder Converts information from Semantic back into code. SES The Simple Emacs Spreadsheet. Sieve Mode for the Sieve mail filtering language. SMTP Emacs library for sending mail via SMTP. Speedbar File and tag summarizing utility. Supercite Package for citing and attributing messages. Todo mode Keeping track of things to do. Transient Transient Commands. use-package Declarative package configuration for Emacs. Tramp Transparent remote file access system. URL Library for manipulating and retrieving URLs and URIs. VHDL mode A major mode for editing VHDL code. VIP An older VI emulator, obsolete and removed in Emacs 31. Use Viper instead. Viper VI emulator. Vtable Variable Pitch Table. Widget Library for graphical widgets. Wisent An Emacs implementation of the GNU Compiler Compiler Bison. Woman Browsing UN*X pages without man.