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Home/Categories/Developer Tools/Lite Xl
icon of Lite Xl

Lite Xl

Open source alternative to Sublime Text

  • 6.5K stars
  • MIT
  • Active this week
  • Last commit 5 days ago

Last verified Nov 15, 2026

Edit code in a lightweight, Lua-scriptable editor under 5MB, with multiline editing, autocomplete, and pane splitting on Windows, Linux, and macOS.

Visit websiteGitHub6.5K stars
image of Lite Xl
TL;DR

Lite Xl is a Lua-scriptable text editor under 5MB, adapted from the rxi/lite codebase, that runs on Windows, Linux, macOS, and additional platforms including FreeBSD and Android. It replaces paid editors like Sublime Text with a free, MIT-licensed option supporting multiline editing, autocomplete, pane splitting, and an extensible plugin system written in Lua. Best for developers who want a fast, hackable editor on constrained hardware or without a commercial license.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs, the quick start and the FAQ
who it's for

Who Lite Xl is for#

Developers editing code on low-spec or ARM hardware

Lite XL runs on a single-board computer with 1GB RAM and an ARM CPU. Developers working on constrained VMs, old laptops, or single-board computers get a full editing environment with autocomplete and pane splitting without the overhead of heavier editors.

Skip if:

You have modern hardware and need first-class LSP integration with debugger support. Heavier editors with mature LSP clients may offer a faster path to a complete IDE setup on current machines.

Lua developers building a custom editor workflow

The entire editor above the OS layer is Lua, so a developer who knows Lua can read the source for any editor behavior and modify it directly. Themes, key bindings, language support, and UI components are all Lua modules that can be loaded, replaced, or removed.

Skip if:

You are not familiar with Lua and prefer customization through settings files or a graphical preferences panel. Lite XL has no graphical settings UI; most configuration requires Lua scripting.

Developers migrating from Sublime Text to avoid licensing costs

Lite XL covers the core Sublime Text editing workflow: multiline editing, pane splitting, autocomplete, and a plugin system. The MIT license means no evaluation expiry and no cost for commercial use.

Skip if:

You rely heavily on Sublime Text's plugin ecosystem. Not all Sublime Text packages have Lite XL equivalents, and Lite XL's extension language is Lua rather than the scripting language used by Sublime Text.

the problem

The problem it solves#

Text editors occupy the center of a developer's workflow, and the gap between a bare-bones editor and a fully capable one has historically been filled by paid commercial products. Developers who want multiline editing, syntax-aware autocomplete, and split panes without ongoing licensing fees, or who need an editor that runs on constrained hardware with 1GB of RAM, have few lightweight options. Most GUI editors with native plugin support are tens of megabytes or larger, and those with the strongest feature sets require a commercial license for continued use. The added complexity of building a custom setup through plugins, or accepting a heavy editor on hardware that cannot run it well, is a recurring pain for developers working in constrained environments or on personal projects where licensing costs matter.

how Lite Xl solves it

How it solves it#

Lua scripting for all editor behavior

C handles only OS communication; every other editor function is implemented in Lua. This means key bindings, UI components, autocompletion, file management, and language support are all editable Lua modules. Plugins from the rxi/lite ecosystem are compatible, with a separate Lite XL plugins repository maintained for verified adaptations.

Under-5MB bundle

The release archive weighs less than 5MB, with no bundled language runtimes, background processes, or cloud components. Runs on hardware from a modern desktop down to a single-board computer with 1GB of RAM and a weak ARM CPU, as documented by the project.

Multiline editing, autocomplete, and pane splitting

These three editing capabilities ship in the base install without plugin setup. Each is implemented as a Lua module and can be replaced or extended if the defaults do not match a specific workflow.

Prebuilt releases for Windows, macOS, and Linux

Prebuilt binaries ship for Windows 7 and above, macOS 10.11 and above, and Ubuntu 18.04 and above (glibc 2.27 and above). Windows ships an installer and a portable ZIP; macOS ships a DMG. The same codebase also runs on FreeBSD, Android, AmigaOS, MorphOS, and in a browser.

High-DPI and retina display support

High-DPI displays are supported on Windows and Linux. Retina display support on macOS was added in version 1.16.7. Font rendering quality was an explicit improvement goal over the upstream rxi/lite project.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • MIT license with no paid tierThe entire codebase is MIT licensed. There is no commercial tier, subscription, or usage cap. Unlike Sublime Text, a paid commercial product in the same category, Lite XL has no cost and no licensing restriction for personal or commercial use.
  • Runs on constrained hardwareThe release archive is under 5MB, and the project documents support for single-board computers with 1GB of RAM and a weak ARM CPU. For developers working on constrained hardware, this footprint is a practical advantage over editors that require significantly more memory or disk space.
  • Fully hackable core in LuaThe editor's internals above the OS layer are written in Lua, so reading, modifying, and replacing default behavior requires no C knowledge. Users who want to change how autocompletion ranks results or how the status bar renders can edit the relevant Lua module directly.

Trade-offs

  • -Plugin ecosystem smaller than Sublime TextLite XL's plugin repository contains fewer extensions than Sublime Text's ecosystem, which the directory catalogue describes as extensive. Some language-specific tools and integrations available on Sublime Text may require manual adaptation or may not have Lite XL equivalents. Users who depend on specific plugins should verify availability before switching.
  • -263 open issues tracked on GitHubThe repository has 263 open issues as of the last pack pull, from the GitHub search API with pull requests excluded. Some relate to platform-specific rendering, input handling, and plugin compatibility. The project is actively maintained with a last push in November 2026, but the issue count reflects a relatively small core team for the scope of the codebase.
  • -macOS installation requires extra steps on first launchNewer Lite XL releases use a self-signed certificate. On macOS, the first launch requires finding the app in Finder, control-clicking it, choosing Open, and confirming in the popup. Gatekeeper will otherwise display a misleading error that the application is damaged. Older versions required running the xattr command on the app bundle instead.
versus alternatives

Lite Xl vs alternatives#

Lite XL vs Sublime Text

Lite XL and Sublime Text target similar users, primarily developers who want a fast, keyboard-driven editor with a plugin ecosystem and efficient core editing. The key differences are licensing, footprint, and scripting approach.

License and Cost

Sublime Text is a paid commercial product. Lite XL is MIT licensed, with no fee for personal or commercial use, no evaluation period, and no licensing restriction.

Plugin Ecosystem

Sublime Text is documented in the directory as having an extensive plugin ecosystem. Lite XL maintains a separate lite-xl-plugins repository with adaptations verified for Lite XL, and plugins from the original rxi/lite codebase are compatible in most cases. Sublime Text's plugin library is wider, particularly for niche workflows and less common languages.

Scripting and Customization

Lite XL's editor behavior above the OS layer is written in Lua. Every feature from key bindings to file management is a Lua module that can be edited or replaced. Sublime Text uses a different extension approach; Lite XL's Lua-based core is more directly readable and modifiable for a developer comfortable with Lua.

Performance and Footprint

Lite XL ships in a bundle under 5MB and runs on a device with 1GB of RAM and a weak ARM CPU, as documented by the project. Sublime Text is a larger application.

Verdict

Lite XL is the better choice for developers who want to avoid a commercial license, need an editor on constrained hardware, or want to script their editor in Lua. Sublime Text fits developers with an existing investment in its plugin ecosystem who value its commercial support and broader extension coverage.

install · quick start

Quick start#

bash
Download the prebuilt release for Windows, macOS, or Linux from GitHub Releases: https://github.com/lite-xl/lite-xl/releases/latest
tech stack · detected from GitHub

What it's built on#

Languages
CLua
frequently asked

FAQ#

Is Lite XL free for commercial use?

Yes. Lite XL is MIT licensed, which permits use, modification, and distribution for any purpose including commercial projects, with no fee and no restrictions beyond preserving the license notice.

What plugins does Lite XL support?

Lite XL is compatible with most plugins from the original rxi/lite plugin repository, with some requiring minor adaptations for Lite XL. The project maintains a separate lite-xl-plugins repository at github.com/lite-xl/lite-xl-plugins with verified Lite XL versions. Categories include language support, formatters, file managers, and color themes. All color themes from rxi/lite are compatible without modification.

How do I install Lite XL on macOS?

Download the DMG from GitHub Releases and drag Lite XL to your Applications folder. Because Lite XL uses a self-signed certificate, you must control-click the app in Finder, choose Open, and confirm in the popup on first launch. Gatekeeper will otherwise display a misleading error that the application is damaged. Older versions required running the xattr command on the app bundle instead.

Can Lite XL run on a Raspberry Pi or low-spec ARM device?

Yes. The project documents support for single-board computers with a weak ARM CPU and 1GB of RAM. The release archive is under 5MB, and the editor's Lua runtime is lightweight enough to run on constrained hardware where most GUI editors are impractical.

How does Lite XL differ from the original rxi/lite editor?

Lite XL is a fork of rxi/lite. The stated goals are greater user-friendliness, improved font rendering quality, and reduced CPU usage compared to the upstream project. Lite XL adds high-DPI support on Windows and Linux and retina display support on macOS, added in version 1.16.7. The plugin and color theme APIs are compatible with the upstream project, though some plugins may need minor adaptation.

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