Smudge allows you to control the Spotify application from Emacs, either via D-BUS or Spotify Connect if you have a Spotify premium subscription.

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

This package provides evil-mode text objects for Python.

This package enforces a sneaky garbage collector (GC) strategy to minimize GC interference with the activity. During normal use a high GC threshold is set. When idling GC is immediately triggered and a low threshold is set.

Dimmer provides a minor mode that indicates which buffer is currently active by dimming the faces in the other buffers. It does this nondestructively, and computes the dimmed faces dynamically such that your overall color scheme is shown in a muted form without requiring you to define what is a "dim" version of every face.

This package provides two Emacs modes, typo-mode and typo-global-mode. These modes automatically insert Unicode characters for quotation marks, dashes, and ellipses. For example, typing " automatically inserts a Unicode opening or closing quotation mark, depending on context.

This library provides easy project management and navigation. The concept of a project is pretty basic: just a folder containing special file. Currently Git, Mercurial and Bazaar repositories are considered projects by default. If you want to mark a folder manually as a project just create an empty .projectile file in it.

This package defines a minor mode for distraction-free writing. Some of the default effects include entering fullscreen, deleting other windows of the current frame, disabling the mode line, and adding margins to the buffer that restrict the text width to 80 characters.

This package adds support to Emacs for editing text with multiple simultaneous cursors.

This package allows controlling Pulseaudio from Emacs.

This Emacs package provides a major mode for editing Bison, Yacc, and Lex files.

The Emacs IPython Notebook (EIN) package provides a Jupyter Notebook client and integrated REPL (like SLIME) in Emacs. EIN improves notebook editing by allowing you to use Emacs. It also expose IPython features such as code evaluation, object inspection and code completion. These features can be accessed anywhere in Emacs and improve Python code editing and reading in general in Emacs.

json-mode extends the builtin js-mode syntax highlighting.

emacs-pdb-capf provides a completion-at-point function for pdb allowing completion in a *gud-pdb* buffer.

This is an Emacs package for text and code alignment for variable-width (i.e., proportional, or variable pitch) fonts.

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

This Emacs package manages your Emacs kill-ring in an autocomplete style popup menu.

This is a light weight wrapper for Emacs built-in undo system, adding convenient undo/redo without losing access to the full undo history, allowing you to visit all previous states of the document if you need.

This package adds XOAuth2 authentication capabilities to Emacs auth-source. This integration requires some preliminary work on the users’ part, which includes creating tokens.

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

A window-layout management library that can split a frame or a window into some windows according to a layout recipe.

Fixed-pitch mode is an Emacs minor mode for setting a monospaced typeface. This allows you to set a proportional typeface for UI elements while keeping a monospaced typeface for code.

This minor mode for Emacs provides several strategies to remove text without permanently deleting it. Namely, it can send selected test to the bottom, or top, of the buffer, or to a trash file.

https://www.reddit.com backend for the Gnus newsreader.