Steve Purcell

An Emacs configuration bundle with batteries included

Simple SQL linter supporting ANSI and PostgreSQL syntaxes

A lightweight Python template engine compatible with Velocity

Make Emacs use the $PATH set up by the user's shell

GNU getopt-style command-line argument parser for Java, used in JBoss

Emacs support for direnv which operates buffer-locally

A set of comprehensive Emacs color themes based on Chris Kempson's 'tomorrow' themes

Define commands which run reformatters on the current Emacs buffer

Emacs: display ugly ^L page breaks as tidy horizontal lines

A linting library for elisp package metadata

Emacs builds for continuous integration

Let Emacs' ibuffer-mode group files by git project etc., and show file state

Github action which installs a given Emacs version

Slime-style navigation of Emacs Lisp source with M-. & M-,

Extra Emacs font lock rules for a more colourful dired

In Emacs, operate on current line if no region is active

In Emacs, intelligently call whitespace-cleanup on save

Reformat SQL code inside Emacs using sqlformat or pgformatter

Emacs auto-complete plugin for Slime symbols

Disable the mouse in Emacs

Convert/mirror darcs repos into git repos

Emacs mode for LESS CSS (lesscss.org), with support for compile-on-save

Functions providing the inverse of Emacs' fill-paragraph and fill-region

A pair of Emacs color themes based on Ethan Schoonover's 'solarized' theme

Easily adjust the font size in all Emacs frames

Group buffers in Emacs ibuffer-mode by their projectile root directory

Simple Schema Migrations for PostgreSQL

Make emacs temp buffers inherit buffer-local environment variables

Use any Emacs flycheck checker as a flymake backend

Run Rails reliably as runit services

Flycheck checker for elisp package metadata

Helpers for easily building Emacs flymake checkers

Enable some paredit features in non-lisp buffers

Reformat shell script code in Emacs using shfmt

In Emacs, set the MacOS transparent titlebar to match the current theme

A flychecker for checking ledger files

Emacs flymake handler for python using pyflakes

Emacs flymake handler for ruby-mode

Like Emacs's "windmove.el", but swaps buffers while moving

In Emacs, toggle ruby hash syntax between classic and 1.9 styles

Make Emacs watch and respond to changes in geographical location on OS X

Flash the Emacs mode line instead of ringing the bell

Emacs flymake syntax-checker for javascript using jslint

Search for and list unicode characters in Emacs

Haskell completion source for Emacs auto-complete package

Emacs flymake syntax-checker for php files

Emacs flymake handler for CoffeeScript

Advent of Code 2016, in Haskell

Reformat Nix code with nixpkgs-fmt in Emacs

Emacs flymake handler for json using jsonlint

Update elisp code to use cl-lib instead of cl

Comprehensive configuration of my NixOS workstation

Emacs flymake syntax-checker for shell scripts

An Emacs auto-complete source for use in inf-ruby sessions

Flycheck integration for `relint`, which checks regexps in emacs lisp

Live LESS stylesheet updates from Emacs via skewer-mode

Step through historic versions of git controlled file using everyone's favourite editor

My Clojure contributions to Rosettacode

Emacs flymake syntax-checker for sass stylesheets

2017 ICFP Contest - The Flux Ambassadors

Emacs package for reformatting Nix code using nixfmt

My solo entry for the 2015 ICFP Contest - http://2015.icfpcontest.org/

Maps emacs:// and txmt:// URL schemes on OSX to Emacs

Emacs flymake syntax-checker for css using csslint

Use Ivy completion with Smex command matching

Reformat dune files from within Emacs

Advent of Code 2017 in Haskell

Completion back-end for CMake

Emacs flymake handler for haml and sass files

Syntax-check haskell source in Emacs using both ghc and hlint

Handy functions for inspecting and comparing Emas package archives

Advent of Code 2018, in Haskell again because yay Haskell

2018 ICFP Contest

GitHub metadata

Ruby wrapper for the 'dot' utility from graphviz

Emacs flymake handler for checking Haskell source code with hlint

My hammerspoon configuration

2023 ICFP Contest entry

Source code for my photography site

Updating the old Haskell gtfs library

a Clojure library for generating javascript

Emacs Markdown Mode

a simple typing game in emacs

Block syntax highlighting for lisp code

Emacs flymake handler for LESS stylesheets

Tiny Ruby mock object library inspired by JMock

Rails plugin for renumbering clashing migrations in a project kept in svn

A simple Rails hangman game

WIP: purescript port of my Elm version of Conway's Game of Life (https://github.com/purcell/elm-life)

A toy rsync-like tool written in ruby

Generate SVG fretboard diagrams in Elm

A team effort to solve all the Advent of Code challenges with Haskell in 2 days

Advent of Code 2020, in J

Emacs mode for the Midje test framework

Repl.it support for jlang

Magit plugin for Gerrit Code Review

Rewrite of guide-key for emacs

Edit text from any macOS application in Emacs.

Emacs editing mode for Mathematica and inferior shell.

A set of useful Emacs modes and functions for users of Nix and Nix OS.

An opinionated Transient-based porcelain to support the casual usage of Emacs Calc.

ICFP Contest 2024 solo entry, team sanityinc

Emacs package utilities

eshell ❤️ atuin

Lazy use of the Ruff formatter/linter for Python code blocks, regions and buffers in Emacs.

advanced package loading system with use-package as back end

A fast, persistent use_nix implementation for direnv [maintainer=@Mic92]

A toy number-guessing game in ruby

A toy hashcode implementation in ruby

A word game

Doctests for Emacs Lisp

Format PHP code in Emacs using PHP_CodeSniffer's phpcbf

No description.

Emacs mode for uiua, a stack-based array language

A bundle of CI scripts for testing Emacs packages, primarily submissions to MELPA.

2019 Advent of Code, will probably only do a few

2020 ICFP Contest

Ancient Greek word object system with dictionary lookup

Circe, a Client for IRC in Emacs

an Emacs "jump to definition" package

a gopher interface for emacs

Auto-format source code in many languages with one command

Package-based, web-centric, customizable, awesome-by-default, acceptance-tested Emacs distribution

Ruby extension to parse and normalize SQL queries using the PostgreSQL query parser

An experiment in adding multiple cursors to emacs.

:evergreen_tree: Forest Blue, a fresh calm color theme inspired by rainy days and blue misty forests.

Modernized mode-line or status bar for emacs

Extensible Haskell pretty printer

Bleeding edge emacs overlay [maintainer=@adisbladis]

Review pull-requests on https://github.com/NixOS/nixpkgs

New version of CDP software

Showcases real-time data replication from RDS (MariaDB) to Kinesis using AWS DMS on LocalStack. Implements both full-load and Change Data Capture (CDC) tasks to stream database changes for analytics.

High level operations as tramp handlers

browse your emacs kill ring in an autocomplete style popup menu

No description.

Nix Packages collection

Broken code for the 2025 ICFP Contest

No description.

Emacs mode for editing Cucumber plain text stories

nix modules for darwin

Convert poetry projects to nix automagically [maintainer=@adisbladis]

virtualenv tool for emacs

Solutions in uiua to various adventofcode problems

Simple library for asynchronous processing in Emacs

Do things in the browser from Emacs, namely update the stylesheet (but maybe more later)

Integrate the Google Repo tool with emacs

An Emacs major mode for editing Nix expressions, powered by tree-sitter.

Fast, Declarative, Reproducible, and Composable Developer Environments

Zig mode for Emacs

Jinja2 mode for emacs

No description.

An emacs major mode for the Nim programming language

Structured editing (soft deletion, expression navigating & manipulating) that supports many major modes out of the box.

Open-source keyboard firmware for Atmel AVR and Arm USB families

No description.

Python SQL Parser and Transpiler

Messaging library for Python.

An Emacs tree-sitter mode for the Noir Language.

A library to turn Nix Flake attribute sets into Github Actions matrices [maintainer=@adisbladis]

Major mode for driving just files.

OCaml major mode using tree-sitter

ICFP Contest 2016

2019 ICFP Contest submission, team "Thunk Tank"

No description.

A collection of NixOS modules covering hardware quirks.

An emacs mode for the Nickel language

a dark emacs theme for dark minds

Double-entry accounting system with a command-line reporting interface

Connecting a Redux state store with Blazor.

A set of colorful matching themes for emacs

Emacs Rails mode based on projectile

:monkey: affe.el - Asynchronous Fuzzy Finder for Emacs

An Emacs major mode for Wisp - the Lisp -> JavaScript compiler.

Subtitle editor for Emacs

Emacs extension to interact with the SLURM jobs scheduler

Official HDF4 Library Repository

emacs package to reformat Clojure code using zprint

No description.

Balance chemical equations

A major mode for editing ReScript

Lisp Flavoured Erlang (LFE)

Just Add Water direnv support for the nix-shell

Rails Routes is a emacs package to search and insert routes into your code

Jump to references/definitions using ag & js2-mode's AST in Emacs

An Emacs interface for RuboCop

Make ido completes like built-in M-x does, useful when use smex or use ido to complete other hyphen separated choises

A powerful and flexible Emacs major mode for editing PHP scripts

Emacs mode for Machinekit HAL files

An emacs mode for handling Dockerfiles

consult.el - Consulting completing-read

Universal toplevel for OCaml

Eping is an Emacs package that checks internet connectivity using ping.

GitHub API library for Emacs

Minor Emacs mode to show buffer position using a Pokémon!

Display flycheck error message with inline popup style.

No description.

Emacs document annotator, using Org-mode

The Superior Lisp Interaction Mode for Emacs

VLC for Android, Android TV and ChromeOS

A Haskell project template that can be built with nix and developed by ghcid and cabal-install.