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The macOS experience
on Linux.

It has the good of both worlds, it is as easy to use as macOS (even easier) and as free and secure as Linux

Live desktop preview video of PulsarOS Session Restore on Studio Display

And much more.

Always getting better. New versions, new apps and improvements arrive constantly. Your system moves forward the day it ships — and every day after.

Built to last. Without obsolescence. Your PC will receive updates until it is no longer able to function.

Completely free. No licenses, no subscriptions, no accounts. Download it, install it, use it. It costs nothing, today and always.

The first e2e auditable distro Everything is processed in a system called Github Actions, whose configuration you can review. The ISO is generated there, not on our computers, so we are the first e2e auditable distro.

A new life for your old Mac or PC That Mac gathering dust in a drawer can feel new again — same comfort, same familiarity, years more of use.

Free, and still comfortable. Step out of the Apple ecosystem without giving up an ounce of comfort. Everything is where you expect it, the way you already know.

Connected everywhere

Your other systems aren't islands. Bitten Fruit bridges macOS, Windows, and Android, natively.

UltOS

Run real macOS on this same computer, downloaded straight from Apple's own servers. No hassle.

WinBoat

Windows apps open as normal windows on your desktop. A real Windows underneath, without the awkwardness.

DroidTux

Android apps run as desktop windows. Your phone's apps, on your big screen.

GSConnect

Notifications, file sharing, and remote control. Your phone and desktop, unified.

Choose your edition

Bitten Fruit comes in two base editions, Debian and Arch. Both include two boot variants: GRUB and rEFInd. rEFInd is the closest to the Mac experience and the most comfortable to use.

Stable Core

Debian Edition

A rock-solid, simple base.

Perfect for older computers or anyone who values stability above everything else. Ships with GRUB and rEFInd, the rEFInd variant is much more Mac-like and comfortable.

  • GRUB (BIOS devices)
  • rEFInd (UEFI devices)
Rolling Core

Arch Edition

Always up to date.

The newest drivers and packages. The choice for modern hardware. Ships with GRUB and rEFInd, the rEFInd variant is much more Mac-like and comfortable.

  • GRUB (BIOS devices)
  • rEFInd (UEFI devices)

Which boot variant do I need?

The GRUB editions only work on BIOS computers. If your computer uses UEFI, use the rEFInd version.

What is a 64-bit (AMD64) processor?

It is the type of processor almost every PC has used for the last 15 years. “AMD64” is the name of the 64-bit design, and it works with both AMD and Intel processors. If your computer runs Windows 8 or newer, it almost certainly qualifies.

What is BIOS?

BIOS is the older way computers start up, common in machines from before 2012. It shows a plain, text-only menu when the computer turns on. If your PC has BIOS, download the GRUB edition.

What is UEFI?

UEFI is the modern replacement for BIOS. Every computer sold in the last decade uses it. It starts the system with a friendly, graphical menu — with rEFInd, it feels closest to a Mac. If your PC has UEFI, download the rEFInd edition.

How do I tell them apart?

Simple rule: if your computer came with Windows 8, 10 or 11, it is UEFI → choose rEFInd. Only much older PCs (Windows 7 or earlier, roughly pre-2012) use BIOS → choose GRUB. Not sure? Ask the compatibility helper below.

Will it work on your PC?

Type your PC model and we will ask Google AI whether it can run Pulsar OS, and which edition to download.

Opens a Google AI Mode search with your model, Pulsar OS requirements, and which edition fits.

What you need

  • A 64-bit (AMD64) processor
  • 4 GB of RAM
  • 20 GB of free disk space
  • A 8 GB USB stick. Nothing more.

That is all. And the best way to find out how it feels? Try it on your own PC — you can run Pulsar OS live from the USB stick, without installing anything and without changing what is already on your computer.

Putting Pulsar OS on the USB

On Windows, use Rufus — and when it asks, choose DD mode. On Linux, use GNOME Disks (“Restore Disk Image”). We recommend not using Etcher, and not using Ventoy (still experimental with these ISOs).

Ready to download Pulsar OS?

All editions and boot variants are available on our downloads page. Grab the ISO that matches your PC and try Pulsar OS live from the USB stick.

Finder Integration

Native Support for 55 Cloud Providers

Access OneDrive, Google Drive, iCloud, Dropbox, Nextcloud, and Proton Drive directly inside Finder with zero sync latency.

iCloudiCloud
Google DriveGoogle Drive
DropboxDropbox
OneDriveOneDrive
NextcloudNextcloud
Proton DriveProton Drive
BoxBox
MegaMega
+ 47 More via Rclone

Intelligence built right in.

Session Restore and Sayri AI redefine how you interact with your operating system.

Session Restore

Reboot or power on, and every application, window arrangement, and open document reopens instantly where you left off.

Video demo for Session Restore

Sayri AI Assistant

Ask in plain language and it gets things done on your computer. 100% private, no telemetry, no cloud lock-in.

Video demo for Sayri AI Assistant

Spotlight Search

Command center for your machine. Search files, launch applications, calculate math, check clipboard history, or trigger system scripts.

Video demo for Spotlight Search

Window Management

Split view, Mission Control gestures, full screen on dynamic workspaces, and fluid window snapping built for power users.

Video demo for Window Management

Finder, Rebuilt

The file manager you already know: Mac-style navigation, previews, tags, and Google Drive, Dropbox, OneDrive, Nextcloud and 50+ cloud providers right where your files live.

Video demo for Finder, Rebuilt

Circle to Search

Shake the cursor, circle anything on your screen and search it on Google, ask Sayri about it, or grab the text with OCR.

Video demo for Circle to Search

App Store

Install any app, however it is packaged: Flathub, .deb, pacman, AUR. Search, click, done — no terminal, no reading forums at midnight.

Video demo for App Store

Pulsar Store

A curated store of apps built by the PulsarOS community itself, updated with every system release.

Video demo for Pulsar Store

Time Machine

Copies of your whole system, stored wherever you like: a network server, one of the 50 cloud providers, or a USB stick. If your computer ever breaks, put everything back.

Video demo for Time Machine

Recovery, Built In

Repair, reset or roll back the system from recovery: over the internet, even if it won't start, or from a USB stick. No reinstalling from scratch.

Video demo for Recovery, Built In
Questions? Answers.

Frequently Asked Questions

Everything you need to know about PulsarOS Bitten Fruit edition.

What makes Pulsar OS different from other Linux distributions?

Normal Linux distributions give you only a base and a graphical environment, but many do not even add functionality and very few innovate. Pulsar OS focuses on replicating the look and, very importantly, workflow of the operating systems that people use to offer the good of Linux with the good of, in this case, macOS.

Can I install it on my Macbook?

Of course you can on those Macbooks that have an Intel chip (those manufactured before 2020). We are working on a new release that includes all the drivers so that everything on your Mac works perfectly.

Can I run macOS, Windows, and Android applications?

Yes, of course, we include all the necessary applications for this.

Does it have an App Store?

Yes, we include a convenient program that allows you to install applications in multiple formats, without touching code. We also include the Pulsar Store, which allows you to install applications developed by people who love Pulsar OS, which have been reviewed by artificial intelligence.

Talk to the humans behind it

Stuck installing? Curious about something? Just want to say hi?Our community is friendly and we are around every day — for any doubt you may have, someone will answer.

Prefer to check it yourself? Audit the code — every line is public.