nixos-mode provides an Emacs major mode for editing Nix expressions. It supports syntax highlighting, indenting and refilling of comments.

This library provides a generic infrastructure for cross referencing commands, in particular find-definition.

Prism is a Rainbow Blocks-like mode for Emacs. It preserves non-color face properties and allows configuration of faces and colors.

This package provides quick navigation to a specific parent directory using Eshell.

This package adds support for Eglot to the Julia language.

This package contains add-ons to Org. Be warned that these libraries receive little if no maintenance and there is no guaranty that they are compatible with the Org stable version.

Tablist is the Emacs package that provides several additional features to tabulated-list-mode: it adds marks, filters, new key bindings and faces. It can be enabled by tablist-mode or tablist-minor-mode commands.

emacs-terraform-mode provides a major mode for working with Terraform configuration files. Most of the functionality is inherited from hcl-mode.

emacs-evil-commentary adds keybindings to easily comment out lines of code in evil mode. It provides gcc to comment out lines, and gc to comment out the target of a motion.

Flymake collects diagnostic information for multiple sources, called backends, and visually annotates the relevant portions in the buffer.

This package extends isearch with advice, dynamic filters, highlighting of regexp group levels, and more.

This package provides a kotlin-mode for editing Kotlin files.

This package provides Emacs map-manipulation functions that work on alists, hash-table and arrays. All functions are prefixed with map-.

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

This package provides an Emacs interface to LeetCode allowing users to log in and solve problems of their choice using Emacs.

This package is an Emacs multimedia player based on mpv. It offers a comprehensive interface to mpv, including convenient features such as an embedded radio manager, YouTube integration, and a local music and video library manager.

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

pdd provides a library for HTTP requests and asynchronous operations in Emacs. It featuring a single, consistent API that works identically across different backends, maximizing code portability and simplifying development.

Solarized for Emacs is a port of the Solarized theme for Vim. This package provides a light and a dark variant.

This package provides an org-mode exporter backend for AsciiDoc.

CTRLF (pronounced control F) is an intuitive and efficient solution for single-buffer text search in Emacs, replacing packages such as Isearch, Swiper, and helm-swoop. It takes inspiration from the widely-adopted and battle-tested Ctrl+F interfaces in programs such as web browsers, but follows the flow and keybindings of Isearch.

This package maps ordinary graphemes (characters) to fancy ligatures, if both your version of Emacs and the font supports it. With this package you can control where Emacs must display ligatures. That is useful if you only want a subset of the ligatures in certain major modes, for instance, or if you want to ensure that some modes have no ligatures at all.

This package integrates restclient-mode with Org.

This package provides a major mode for the Lean theorem prover, version 4.