Assembly operating-system

Open-source Assembly projects categorized as operating-system
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Os Assembly Asm Kernel Dos
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Top 11 Assembly operating-system Projects

operating-system

  1. KnightOS

    OS for z80 calculators

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  3. its

    Incompatible Timesharing System

    Project mention: Knight TV and keyboard · PDP-10/its Wiki | news.ycombinator.com | 2024-12-09

  4. Cyjon

    A simple, clean code, multi-tasking kernel written in pure Assembly language for 64-bit processors from the AMD64 family.

  5. mintia

    Paging operating system for a custom computer architecture

  6. basicdos

    A new 8086-based reimagining of PC DOS and BASIC

  7. OS-Reference

  8. FutureDOS

    A futuristic DOS

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo

  10. bootstrap-os

    A bootable x86 lisp interpreter, assembler, and simple text editor that lets you run the code you type in so you can bootstrap anything

    Project mention: BootLogo: Logo language in 508 bytes of x86 machine code | news.ycombinator.com | 2024-03-19

    Hello friend. I'm on a crusade to make people's bootsector code work on real hardware.

    You're missing several reserved memory areas and state bits to reset. Check out my bootsector I have lots of comments on what things are needed https://github.com/fsmv/bootstrap-os/blob/master/bootloader/...

    You can probably drop the extra sector loading code and error printing and only use the header and footer.

  11. x86-kernel

    A hobby kernel developed from scratch using i8086 assembly

  12. BTAG

    The Better Than Awful GRUB bootloader

  13. Nand2Tetris

    Building a modern computer from First Principles. I also run a book club on it at https://dxclub.io/build (by RohitDhatrak)

    Project mention: Building your own Arithmetic Logic Unit (ALU) | dev.to | 2025-03-01

    Here is the HDL code for creating NOT, AND, OR & XOR gates using the NAND gate as a starting point. Additionally, there are 16-bit variants of these gates, which take 16-bit inputs and produce a 16-bit output instead of single-bit outputs. (NOT16, AND16, OR16)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source operating-system projects in Assembly? This list will help you:

# Project Stars
1 KnightOS 1,297
2 its 884
3 Cyjon 441
4 mintia 89
5 basicdos 85
6 OS-Reference 79
7 FutureDOS 47
8 bootstrap-os 35
9 x86-kernel 13
10 BTAG 1
11 Nand2Tetris 0

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Did you know that Assembly is
the 31st most popular programming language
based on number of references?

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