nov.el provides a major mode for reading EPUB documents.

This library provides a major-mode for viewing syslog and strace files. You can highlight and filter the lines of the file by regular expressions and by timestamp, view notes associated with files, extract text, count matches, etc.

This package adds support to Org-Babel for evaluating Elm code.

This library enables additional font locking in Dired mode. This is adapted from the extra font lock rules provided by Drew Adams' Dired+ package.

Combobulate is a package that adds structured editing and movement to a wide range of programming languages. Unlike most programming major modes that use error-prone imperative code and regular expressions to determine what's what in your code, Combobulate uses Emacs 29's tree-sitter library. Tree-sitter maintains a concrete syntax tree of your code; it gives Combobulate absolute clarity of all aspects of your code, enabling more correct movement and editing than you would otherwise have.

Rainbow identifiers mode is an Emacs minor mode providing highlighting of identifiers based on their names. Each identifier gets a color based on a hash of its name.

Flexoki themes is a pair of light and dark themes for GNU Emacs based on the Flexoki colour scheme by Steph Ango.

This package extends perspective.el to enable perspectives that can be saved to and restored from a file.

emacs-dumbparens is a minor mode for Emacs that deals with parens pairs and doesn't try to be smart about it.

Org Journal is a set of functions to maintain a simple personal diary / journal using in Emacs, adapted from https://www.emacswiki.org/emacs/PersonalDiary. Convenient bindings allow the creation of journal records in the current daily, weekly, monthly or yearly file and search within all records or specified time intervals. All records can be browsed and searched from the Emacs Calendar for convenience. All entries in a specified TODO state will be carried over to the next day.

Manage your contacts from Org mode. You can auto complete email addresses, export contacts to a vCard file, put birthdays in your Org Agenda, and more.

This package provides comint autosuggestions for Emacs eshell.

This package provides Emacs major modes for editing various Git configuration files, such as .gitattributes, .gitignore, and .git/config.

Org mode supports inline image previews of LaTeX fragments. This package automates this, so fragment previews are disabled for editing when your cursor steps onto them, and re-enabled when the cursor leaves.

This package provides the smooth-scroll-mode minor mode for Emacs, enabling smooth and in-place scrolling functionality.

Disproject is a package for GNU Emacs that implements Transient menus for dispatching project-related commands on top of the Project library. It aims to provide a more capable version of the project-switch-project command, which it is inspired by. Those who are familiar with Projectile may also find similarities to projectile-commander.

Railscasts is a color theme for Emacs.

This package provides a minor mode to highlight indentation levels via font-lock. Indent widths are dynamically discovered, which means this correctly highlights in any mode, regardless of indent width, even in languages with non-uniform indentation such as Haskell. This mode works properly around hard tabs and mixed indentation and behaves well in large buffers.

This package provides tramp-auto-auth-mode Emacs global minor mode whose purpose is to automatically feed TRAMP sub-processes with passwords for paths matching regexps.

This package provides an ESS-like binding to send lines or regions to a REPL from Elm buffers.

This package provides enhancements to standard Font Lock library.

This package provides an Emacs major mode for highlighting code written in the D programming language.

This package is a which-key extension, which uses posframe (a child frame) to show which-key popups.

This package helps writing ERT-based tests that check how Emacs renders buffers and windows. The ERT tests can be run interactively or in batch mode.