This package transforms text using studlify-region and inserts a SpongeBob SquarePants ASCII art figure in the current buffer.

emacs-evil-surround allows easy deletion, change and addition of surrounding pairs, such as parentheses and quotes, in evil mode.

This package provides a dark theme using different shades of blue for Emacs, inspired by Dracula theme.

This package provides an abstract Emacs Lisp framework for tree navigation.

This emacs package can be used to interface with VUnit, a testing framework for VHDL/SystemVerilog.

Discover adds context menus to commonly-used features in Emacs.

This package provides company-mode backends for completing label references and citations in LaTeX. It is based on RefTeX, which is included with Emacs.

Emacs Refactor (EMR) is a framework for providing language-specific refactoring in Emacs. It includes refactoring commands for a variety of languages, including elisp itself.

This package provides a minor mode for preview of Markdown files, and sends rendered Markdown to a web browser.

BUI (Buffer User Interface) is a library for making list and info interfaces to display an arbitrary data of the same type, for example: packages, buffers, files, etc.

This package provides outli-mode, a minimal and elegant outliner for Emacs that enhances outline-minor-mode with configurable heading syntax, styled headings, and org-mode-inspired navigation and structure editing. It supports comment-based headers with customizable stems and repeat characters, styled overlines and backgrounds, tab-based visibility toggling, org-style speed keys for headline manipulation, and imenu integration for fast navigation.

SLIME extends Emacs with support for interactive programming in Common Lisp. The features are centered around slime-mode, an Emacs minor mode that complements the standard lisp-mode. While lisp-mode supports editing Lisp source files, slime-mode adds support for interacting with a running Common Lisp process for compilation, debugging, documentation lookup, and so on.

Repeat multi-command "edits" with configurable behavior, supporting multiple modal editing systems.

Rudel is a collaborative editing environment for GNU Emacs. Its purpose is to share buffers with other users in order to edit the contents of those buffers collaboratively. Rudel supports multiple backends to enable communication with other collaborative editors using different protocols, though currently Obby (for use with the Gobby editor) is the only fully-functional one.

This package provides a library to encrypt/decrypt a string or file with openssl command.

frame-purpose makes it easy to open purpose-specific frames that only show certain buffers, e.g. by buffers’ major mode, their filename or directory, etc, with custom frame/X-window titles, icons, and other frame parameters.

This package generates a table of contents when saving in Org and Markdown files.

benchmark-init provides a way to keep track of where time is being spent during Emacs startup in order to optimize startup time.

Emacs-wget is an emacs interface for the wget file downloader.

This package provides commands for visiting and acting on links.

This package provides an Elisp wrapper around the Java keytool command and major mode for viewing Java keystores.

This package provides a major mode for editing Elm source code, and working with common core and third-party Elm tools. Its features are:

• Syntax highlighting

• Intelligent indentation

• Integration with elm-make

• Integration with elm-repl

• Integration with elm-reactor

• Integration with elm-package

• Integration with elm-oracle

• Integration with elm-format

• Integration with elm-test

DVC is a legacy Emacs front-end for a number of distributed version control systems. It currently supports GNU Arch, GNU Bazaar, git, Mercurial, and Monotone. It also provides some integration with Gnus, e.g., for applying patches received by email.

The standard-themes are a pair of light and dark themes for GNU Emacs. They emulate the out-of-the-box looks of Emacs (which technically do not constitute a theme) while bringing to them thematic consistency, customizability, and extensibility.