gitlab-ci-mode is an Emacs major mode for editing GitLab CI files. It provides syntax highlighting and completion for keywords and special variables. An interface to GitLab’s CI file linter is also provided via gitlab-ci-lint.

This package lets you access the GNU Bug Tracker from within Emacs.

For instance, it defines the command M-x debbugs-gnu for listing bugs, and the command M-x debbugs-gnu-search for bug searching. If you prefer the listing of bugs as TODO items of org-mode, you could use M-x debbugs-org and related commands.

A minor mode debbugs-browse-mode let you browse URLs to the GNU Bug Tracker as well as bug identifiers prepared for bug-reference-mode.

This package adds support for org links from pdftools buffers with more precise location control.

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

This package provides auto-completion commands for single and multiple lines of code in a project.

The deferred.el library provides support for asynchronous tasks. The API is almost the same as that of JSDeferred, a JavaScript library for asynchronous tasks.

This package defines cargo-minor-mode, which gives a set of key combinations to perform Cargo tasks within Rust projects.

This package provides a major mode that let the user interact with SWI-Prolog in all buffers. For instance, one can consult Prolog programs and evaluate embedded queries. This mode is focused on the command ediprolog-dwim (Do What I Mean) which is supposed to, depending on the context, carry out the appropriate action.

This package implements basic Bluetooth management functionality, such as connecting and disconnecting devices, setting properties and aliases, putting the adapter in discovery mode and controlling its power supply. It also includes a pairing agent.

Parinfer Rust mode aims to be a simple implementation of Parinfer that leverages the Parinfer Rust Emacs library to do most of the heavy lifting.

This package allows you to expand Yasnippet' snippets through a completing-read interface. It supports previewing the current snippet expansion and overwriting the marked region with a new snippet completion.

anzu provides a minor mode that displays the current match and total match information in the mode-line in various search modes.

Transpose mark provides some commands that makes transposing lines and regions easier. You can mark a line and transpose it with a line at point, or mark a region and transpose it with another region a point. The plugin provides visual feedback for marked regions.

gnus-harvest notices email address in every message or post you read or write, and collects them in a SQLite database, which can be easily and quickly queried to determine the completion list. It optionally uses BBDB and Message-X.

This package provides GitLab snippet API interaction for Emacs.

emacs-mkmcc-gnuplot-mode is a minimal emacs major mode for editing gnuplot scripts. It provides syntax highlighting, indentation and a command to plot the file.

Color ANSI codes in the REPL of SLIME

This package provides a minor mode that enables code folding based on indentation levels for various indentation-based text files, such as YAML, Python, and any other indented text files. In addition to code folding, outline-indent allows moving indented subtrees up and down, promoting and demoting sections to adjust indentation levels, customizing the ellipsis, and inserting a new line with the same indentation level as the current line.

message-x assigns a context-sensitive function to the TAB key in Message mode. When on a header line, it performs completion based on which header we are in (for example, newsgroup name completion makes sense on the Newsgroups header, whereas mail alias expansion makes sense in the To and Cc headers). When in the message body, this executes a different function (default: indent-relative).

PHP mode is a major mode for editing PHP source code. It's an extension of C mode; thus it inherits all C mode's navigation functionality. But it colors according to the PHP grammar and indents according to the PEAR coding guidelines. It also includes a couple handy IDE-type features such as documentation search and a source and class browser.

Emacs-fpga provides emacs facilities to interface with fpga & asic tools from major vendors.

This package provides further integration between multiple-cursors and phi-search, a package that allows for interactive searches to move multiple fake cursors.

Display firefox bookmarks with Emacs Helm interface

This library provides helpers for outlines. Outlines allow users to navigate code in a tree-like fashion.