ws-butler automatically trims trailing whitespace characters on save. In contrast with other whitespace cleanup solutions, only modified lines are trimmed.

This package allows for bookmarking eshell buffers. Upon visiting the bookmark, a new eshell session will be opened in the appropriate directory if no eshell session is active.

emacs-spaceleader replicates Spacemacs' leader key features, without requiring all of Spacemacs. The <Leader> key, inspired by Vim, provides an easy way to bind keys under a configurable prefix key.

This package adds support to Org-Babel for evaluating Python source code using IPython.

Inheritenv provides tools to execute processes inheriting the calling buffer's environment.

emacs-diminish implements hiding or abbreviation of the mode line displays (lighters) of minor modes.

Elixir-Mode provides font-locking, indentation and navigation support for the Elixir programming language.

Monky provides an Emacs interface for Mercurial (Hg). Using Monky, you can selectively commit files, view the diffs, and other things.

Org Edit LaTeX is an extension for Org mode. It lets you edit a LaTeX fragment in a dedicated buffer just like editing a source block.

Lightweight yet very flexible startup screen for Emacs.

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

MLScroll is a text-based scrollbar for the Emacs mode line. Enable it with mlscroll-mode.

This package provides a way to REPL into a new Firefox instance's JavaScript engine. A new throwaway Firefox profile directory is created before each run, so you won't need to modify your existing profiles. This mode takes care of starting the new Firefox process in debugging mode, which may be tedious to do by hand. This comint mode is barebones and unstructured, meant for quick JavaScript experiments.

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

Wucuo provides a spell checker on top of either Aspell or Hunspell, and relies on Flyspell internally. It operates on the current region or buffer, a file, or a complete directory.

RBS mode is a major mode for Ruby type signature language (RBS). It provides basic supports for syntax highlighting and indentation.

csv.el provides functions for reading and parsing CSV files. It follows the format as defined in RFC 4180 Common Format and MIME Type for CSV Files (http://tools.ietf.org/html/rfc4180).

This package provides a major mode for editing OpenGLSL grammar files, usually files ending with .vert, .frag, .glsl or .geom. It is based on C mode plus some features and pre-specified fontifications.

This package provides a command to extract the colors from your Emacs theme and apply them to the rest of Linux with Pywal. Pywal only applies your theme to the current session.

This package provides a minor mode to automatically warp the mouse pointer to the center of a focused window, as well as a command to warp it to the currently selected window.

This package provides text objects and operators for comments within evil-mode.

This package provides a Helm interface for selecting xref results.

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

Library zones.el lets you easily define and subsequently act on multiple zones of buffer text. You can think of this as enlarging the notion of region. In effect, it can remove the requirement of target text being a contiguous sequence of characters. A set of buffer zones is, in effect, a (typically) noncontiguous set of text.