/LemonOS

The Lemon Operating System https://lemonos.org

Primary LanguageC++BSD 2-Clause "Simplified" LicenseBSD-2-Clause

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Lemon OS is a UNIX-like 64-bit operating system written in C++.

About Lemon OS

Lemon OS includes its own modular kernel with SMP and networking, window server/compositor and userspace applications as well as a collection of software ports.

If you have any questions or concerns feel free to open a GitHub issue, join our Discord server or email me at computerfido@gmail.com.

Website
Discord Server

Building

Prebuilt Image

Nightly Images - Go to latest job, disk images located under Artifacts
Latest Release

Lemon OS Screenshot
More screenshots

Features

  • Modular Kernel
  • Symmetric Multiprocessing (SMP)
  • UNIX/BSD Sockets (local/UNIX domain and internet)
  • Network Stack (UDP, TCP, DHCP)
  • A small HTTP client/downloader called steal
  • Window Manager/Server LemonWM
  • Terminal Emulator
  • Writable Ext2 Filesystem
  • IDE, AHCI and NVMe Driver
  • Dynamic Linking
  • Ports including LLVM/Clang, Ninja, Freetype, Binutils and Python 3.8
  • mlibc C Library Port
  • GnuBoy Port
  • DOOM Port

Work In Progress

  • XHCI Driver
  • Intel HD Audio Driver

System requirements

  • 256 MB RAM (512 is more optimal)
  • x86_64 Processor
  • 2 or more CPU cores recommended
  • I/O APIC
  • ATA, NVMe or AHCI disk (AHCI strongly recommended)

Repo Structure

Directory Description
Applications/ Userspace Applications
Base/ Config, etc. Files copied to disk
Documentation/ Lemon OS Documentation
Extra/ (Currently) vector icons
Kernel/ Lemon Kernel
LibLemon/ LibLemon (Lemon API)
Toolchain/ Toolchain build scripts and patches
Ports/ Build scripts and patches for ports
Resources/ Images, fonts, etc.
Scripts/ Build Scripts
Screenshots/ Screenshots
System/ Core system programs and services