Lemon OS is a UNIX-like 64-bit operating system written in C++.
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.
Nightly Images - Go to latest job, Lemon.img located under Artifacts
Latest Release
- 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
- XHCI Driver
- Intel HD Audio Driver
- 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)


