Operating systems

I love using macOS as my personal OS.

And I like NixOS and it's nix package manager.

Interesting OSes

  • ​MirageOS - Library operating system that constructs unikernels. (Docs) (Docs code) (mirage-solo5) (The road ahead for MirageOS in 2021)

  • ​QubesOS​

  • ​Fuchsia​

  • ​DahliaOS - Modern, secure, lightweight and responsive operating system, combining the best of GNU/Linux and Fuchsia OS. (GitHub) (HN) (Pangolin Desktop UI) (ISO releases)

  • ​Redox - Unix-like Operating System written in Rust. (Web)

  • ​Toddler - Well-designed usable and portable microkernel OS.

  • ​OS67 - Unix-like toy kernel.

  • ​SerenityOS - Graphical Unix-like operating system for x86 computers. (Web)

  • ​Resea - Pure microkernel-based hackable operating system written from scratch in C and Rust.

  • ​Rux - Hobbyist microkernel written in Rust, featuring a capability-based system similar to seL4.

  • ​redshirt - Experiment to build some kind of operating-system-like environment where executables are all in WASM and are loaded from an IPFS-like decentralized network.

  • ​Spectrum - Step towards usable secure computing. (Developer manual) (Discussions)

  • ​mikado - RISC-V Experimental OS.

  • ​mkernel - Minimalist kernel which prints "my first kernel" on the screen and then hangs. (HN)

  • ​Barebones - Barebones multiboot kernel for beginners.

  • ​xv6 - Re-implementation of Dennis Ritchie's and Ken Thompson's simple, Unix-like teaching operating system. (PDF) (HN) (HN 2) (Lobsters)

  • ​xv6 for RISC-V​

  • ​Orange Slice - Research kernel and hypervisor attempting to get fully deterministic emulation with minimum performance cost.

  • ​Cloud Hypervisor - Open source Virtual Machine Monitor (VMM) that runs on top of KVM.

  • ​RancherOS - Tiny Linux distro that runs the entire OS as Docker containers.

  • ​Bottlerocket OS - Free and open-source Linux-based operating system meant for hosting containers.

  • ​XNU kernel - Part of the Darwin operating system for use in macOS and iOS operating systems.

  • ​Haiku - Open-source operating system that specifically targets personal computing. (HN) (Haiku Community)

  • ​Pebble - Microkernel and userspace written in Rust, with first-class message passing.

  • ​RustyHermit - Rust-based, lightweight unikernel.

  • ​Distaff - Zero-knowledge virtual machine written in Rust.

  • ​zCore - Reimplement Zircon microkernel in Rust.

  • ​lilith - POSIX-like x86-64 kernel and userspace written in Crystal.

  • ​Genode - Operating System Framework.

  • ​Shrine - TempleOS distro for heretics.

  • ​Subgraph OS - Desktop computing and communications platform that is designed to be resistant to network-borne exploit and malware attacks. (Handbook)

  • ​Mezzano - Operating system written in Common Lisp. (HN)

  • ​Collapse OS - Bootstrap post-collapse technology. (HN)

  • ​LegoOS - Disseminated, Distributed OS for Hardware Resource Disaggregation.

  • ​CuBitOS - General-purpose, formally-verified, 64-bit operating system in SPARK/Ada for x86-64.

  • ​Demikernel - Library operating system architecture designed for use with kernel-bypass I/O devices.

  • ​Drone - Embedded Operating System for writing real-time applications in Rust. (drone-core)

  • ​Manticore - Research operating system, written in Rust. (Web)

  • ​CyanOS - x86 monolithic kernel operating system, coded in C++ 17 and few lines of x86 Assembly.

  • ​ChaiOS - Modular multi-platform hobby OS. Hybrid kernel, largely monolithic. Kernel C library is dynamically linked.

  • ​Tails - Portable operating system that protects against surveillance and censorship. (Intro)

  • ​EmuTOS - Free operating system for Atari ST computers, and more. (Web)

  • ​HalideOS - Experimental operating system written entirely from scratch. It supports a basic shell with some commands including a command line calculator.

  • ​Biscuit - Monolithic, POSIX-subset operating system kernel in Go. (HN) (Code)

  • ​illumos - Unix operating system which provides next-generation features for downstream distributions, including advanced system debugging, next generation filesystem, networking, and virtualization options. (Rise and Development of illumos)

  • ​Managarm - Pragmatic microkernel-based OS with fully asynchronous I/O. (Fully Asynchronous OS Based on Modern C++ - Alexander Grinten (2020))

  • ​EggOS - Go unikernel running on x86 bare metal. (HN)

  • ​KnightOS - Third-party operating system for TI calculators.

  • ​eduOS-rs - Teaching operating system written in Rust. (Web)

  • ​Stupid Operating System - Simple, tiny toy OS implemented in Rust.

  • ​Theseus OS - New OS written from scratch in Rust to experiment with novel OS structure, better state management, and how to shift OS responsibilities like resource management into the compiler. (HN)

  • ​TempleOS - Talk to God on up to 64 cores. (Web) (TempleOS on real hardware)

  • ​CactusOS - Simple operating system that is aimed to not be anything like linux.

  • ​Zephyr - New generation, scalable, optimized, secure RTOS for multiple hardware architectures. (Docs)

  • ​Cosmos - Operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more. (Web)

  • ​MollenOS - Modern operating system that is built with focus on abstraction and a modular design.

  • ​Azure RTOS ThreadX - Advanced real-time operating system (RTOS) is designed specifically for deeply embedded applications.

  • ​HelenOS - Portable microkernel-based multiserver operating system written from scratch. (Web)

  • ​bootloader - Experimental x86 bootloader written in Rust and inline assembly.

  • ​Cyjon - Simple, clean, multi-tasking operating system written in pure assembly language for 64-bit processors from the AMD64 family.

  • ​Contiki - Open source operating system that runs on tiny low-power microcontrollers.

  • ​OSv - Modular unikernel designed to run applications securely on micro-VMs . (Code) (HN) (HN 2)

  • ​Rumprun - Uses rump kernels to provide the Rumprun unikernel. Rumprun works on not only on hypervisors such as KVM and Xen, but also on bare metal.

  • ​Rump Kernels - Enable you to build the software stack you need without forcing you to reinvent the wheels.

  • ​mOS - Unix-like operating system developed from scratch and aims to POSIX compliant.

  • ​pdp7-unix - Project to resurrect Unix on the PDP-7 from a scan of the original assembly code.

  • ​core-os-riscv - xv6-like operating system on RISC-V with multi-core support.

  • ​rCore - Rust version of THU uCore OS. Linux compatible.

  • ​dgOS​

  • ​Eltanin - Free, simple, and complete general-purpose operating system.

  • ​skiftOS - Simple, handmade, operating system with a graphical user interface. (Web)

  • ​ChrysaLisp - Parallel OS, with GUI, Terminal, OO Assembler, Class libraries, C-Script compiler, Lisp interpreter and more. (HN)

  • ​Pluto - x86 kernel written in Zig.

  • ​LeOS Kernel - Kernel project for operating system for ARM 64bit (AArch64) written in Rust. (Web)

  • ​RustyHermit - Rust-based, lightweight unikernel. (Article)

  • ​Jehanne - Simple operating system. (Web)

  • ​Mimosa - Operating system consists of a minimal kernel built on C++ and Scheme.

  • ​daintree - ARMv8-A operating system, plus a UEFI bootloader, all written in Zig.

  • ​AROS - Lightweight, efficient, and flexible desktop operating system. (HN)

  • ​M3 - Microkernel-based system for heterogeneous manycores.

  • ​vanadinite - RISC-V OS written in Rust.

  • ​Tetris-OS - Operating system that only plays Tetris. (HN) (Video)

  • ​Helium - BSD-based OS project that aims to provide an experience like and some compatibility with macOS.

  • ​Harvey - Distributed operating system. (Web)

  • ​TypOS - Operating system for typechecking processes.

  • ​KolibriOS - Tiny yet incredibly powerful and fast operating system. (HN)

  • ​Kerla - New operating system kernel with Linux binary compatibility written in Rust.

  • ​rustboot - Tiny 32 bit kernel written in Rust.

  • ​mycelium - Hobby OS in Rust.

  • ​WINIX OS - UNIX-style Operating System for the Waikato RISC Architecture Microprocessor. (HN)

  • ​Aquila OS - Complete Operating System (kernel + system) that is designed to be POSIX compliant and mostly ISA transparent. (Web)

  • ​FuzixOS - Because Small Is Beautiful.

  • ​Mongoose - Small toy OS with no memory protection. (Lobsters)

  • ​Node Replicated Kernel - Research OS kernel for x86-64 (amd64) machines written in rust. (Web) (Book)

  • ​Multics - Pioneering operating system, commonly considered the "progenitor" of the UNIX operating system. (Code)

Notes

Links