The EditorConfig project consists of a file format for defining coding styles and a collection of text editor plugins that enable editors to read the file format and adhere to defined styles. EditorConfig files are easily readable and they work nicely with version control systems.

This package provides a minor mode for individual column faces in mu4e's mail overview.

Font-utils is a collection of functions for working with fonts. This library has no user-level interface, it is only useful for programming in Emacs Lisp.

This package provides a SOAP client to access web services.

Org Tree Slide is a minor mode for using an Org document in presentations by progressively revealing individual subtrees of the document.

Blight allows you to control display brightness from Emacs. It features object-oriented code using EIEIO, a base class implementing a reasonable API which focuses on the set the back light to this percentage functionality, it includes a concrete implementation that uses SysFS to control brightness. Other systems (D-Bus, xbacklight, XELB using XRandR) are easily supportable, giving the same experience across environments.

Synosaurus is a thesaurus fontend for Emacs with pluggable backends, including the wordnet offline backend.

unkillable-scratch helps prevent killing buffers matching a given regexp.

Rebecca Emacs theme is a dark theme with purple/violet colors, based on the Dracula theme for Emacs and the Gloom theme for Atom.

Gnosis is a spaced repetition system for note-taking and self-testing where notes are formatted as Question/Answer/Explanation. Notes are reviewed at spaced intervals based on the success or failure in recalling the answer to each question.

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

Loop structures familiar to users of other languages. This library adds a selection of popular loop structures as well as break and continue.

Irony-mode provides Clang-assisted syntax checking and completion for C, C++, and ObjC in GNU Emacs. Using libclang it can provide syntax checking and autocompletion on compiler level which is very resistant against false positives. It also integrates well with other packages like eldoc-mode and especially company-mode as described on the homepage.

This Emacs package provides a mode for the Julia programming language.

This package provides dwim-shell-command as an opinionated, DWIM alternative to shell-command.

This package contains a command to read Perl documentation in Emacs: M-x perl-doc. It uses two external commands which come with Perl: perldoc to locate the Perl documentation for the Perl modules installed on your system, and pod2html to format the documentation to HTML. This HTML version is then displayed using the Emacs simple HTML renderer, shr.

The rfc-mode Emacs major mode is a browser and reader for RFC documents.

Sleek Guile IDE for Emacs.

Column Enforce mode highlights text that extends beyond a certain column. It can be used to enforce 80 column rule. It can also be configured for any N-column rule.

This package provides syntax highlighting and automatic indentation for the Zig programming language in Emacs.

Cast hexagrams and consult the I Ching, or 'Book of Changes' from the comfort of Emacs. The I Ching can be used as a divination method, pattern generator or fixed point for millennia of commentary & exegesis. This package provides methods for casting and describing hexagrams, querying the oracle, and finding patterns in randomness. The descriptions of hexagrams and their classification have been drawn from public domain sources, tradition and antiquity.

This package provides an Emacs interface to the Google Translate on-line service.

emacs-linum-relative displays the relative line number on the left margin in Emacs.

FB2 Reader provides a major mode for reading FictionBook2 (.fb2 and .fb2.zip files) ebooks.