jack provides the function jack-html that takes a data structure as input representing the HTML tree you want to generate and generates it as a string. Please see the homepage for usage examples.

semantic-stickyfunc-mode shows the function point is currently in at the first line of the current buffer. This is useful when you have a very long function that spreads more than a screen, and you don't have to scroll up to read the function name and then scroll down to original position.

For speed reading, or just more enjoyable reading. Narrows the buffer to show one word at a time. Adjust speed / pause as needed.

This package lets you efficiently navigate, edit and execute code split into cells according to certain magic comments.

This package provides an Emacs major mode for editing AsciiDoc files. It focuses on highlighting the document to improve readability.

Daredevil SKK is a version of SKK, a Japanese input method on Emacs. This package adds support for the Nicola keyboard layout to it.

This package shows Flymake diagnostics on cursor hover.

This package provides two minor modes which automatically recompile Emacs Lisp source files. Together, these modes guarantee that Emacs never loads outdated byte code files.

This package provides an helm extension for emacs-slack Slack client.

This package offers a single macro, let-alist. This macro takes a first argument (whose value must be an alist) and a body.

Emacs wgrep allows you to edit a grep buffer and apply those changes to the file buffer. Several backends are supported beside the classic grep: ack, ag, helm and pt.

Helm interface for Emms to browse all tracks and all folders from emms-source-file-default-directory.

emacs-alect-themes provides configurable light, dark and black color themes for Emacs. The themes are intended to be used with GUI.

Fill-column-indicator graphically indicates the location of the fill column by drawing a thin line down the length of the editing window.

Emacs-Syncthing is a client for the Syncthing file synchronization tool which provides an Emacs interface to replace the built-in web UI.

emacs-alsamixer provides basic commands to control audio volume via amixer.

This package generates files and folders from Emacs org-mode templates.

emacs-xelb is a pure Emacs Lisp implementation of the X11 protocol based on the XML description files from the XCB project. It features an object-oriented API and permits a certain degree of concurrency. It should enable you to implement low-level X11 applications.

Khardel provide an Emacs integration with Khard, a console application to search and edit contacts in vCard format.

Shell Maker is a convenience wrapper around Comint mode.

Bookmarks are a powerful Emacs feature. This package makes them even more versatile. You can bookmark many more kinds of data. You can add tags. There are many more ways to organize and display your bookmarks. I recommend reading the extensive documentation about BookmarkPlus on the Emacs Wiki.

This package provides an org-mode link type that allows execution of various mu4e queries when clicked. Such links can be organized into a dashboard, by simply writing an org file.

This package provides functions for inserting the definition of natural constants and units into an Emacs buffer.

Helm Themes provide an Emacs theme selection with Helm interface.