Sunsetting Atom - The GitHub Blog | WarmIndex

Atom is a discontinued open-source text editor that's deeply hackable and customizable, built for developers who want to tailor their coding environment using web technologies.

🚀 Overview

Atom, launched by GitHub in 2014, is a free and open-source code editor designed to be the 'hackable text editor for the 21st Century.' It addresses the limitations of traditional editors by allowing full customization through JavaScript packages, themes, and keybindings, making it approachable for beginners yet powerful for experts.

The project solves the need for a modern, extensible editor that feels native on desktop while leveraging web tech. It was built for software developers, open-source contributors, and anyone in the coding community wanting to build software more easily. GitHub created it to grow the creator community, but discontinued it in 2022 to prioritize VS Code and cloud tools like GitHub Codespaces.

✨ Key Features

Deeply customizable with a package ecosystem (apm) for themes, UI tweaks, and functionality extensions (what it does and why it matters: empowers users to build their ideal editor)
Cross-platform desktop app for macOS, Windows (32/64-bit), and Linux
Built-in Git/GitHub integration for version control without leaving the editor
Syntax highlighting, autocomplete, multiple cursors, split panes, and support for Vim/Emacs modes via packages
Optional: Teletype for real-time collaborative editing (discontinued post-sunset)

🛠 Tech Stack

Core: Electron (Chromium + Node.js)
Languages/Frameworks: JavaScript, CoffeeScript, Less
Package Manager: apm (Atom Package Manager)
Build: No traditional backend/database/auth/hosting (standalone desktop app)

👥 Who Is This For?

This project is useful for:

Developers who want to hack and customize their text editor
Teams or individuals preferring Electron-based apps with Git integration
Indie makers and open-source hackers building personalized dev tools

📸 Screenshots / Demo

Live demo: https://atom.io (redirects to sunset page; no active demo)
GitHub: https://github.com/atom/atom

🔥 Project Status

🔴 Paused

Last updated: 2023-03-03

❓ FAQ

Is this project free?

Yes / Open Source (MIT License) (Free to download and use binaries from releases.)

Is the source code available?

Yes — https://github.com/atom/atom (archived, read-only)

Can I contribute?

No new contributions accepted as the repo is archived by GitHub. The community has forked it as Pulsar (https://pulsar-edit.dev/), where development continues.