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Top 23 Assembly Retrocomputing Projects
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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elite-source-code-bbc-micro-cassette
Fully documented source code for the cassette version of the classic game Elite on the BBC Micro
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elite-source-code-commodore-64
Fully documented source code for the classic game Elite on the Commodore 64
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elite-source-code-nes
Fully documented source code for the classic game Elite on the Nintendo Entertainment System (NES)
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GLaBIOS
A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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Project mention: Show HN: OSle now has a C API and still fits in 510 bytes | news.ycombinator.com | 2026-03-07
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Project mention: AGI-64 Brings Sierra Adventures to the Commodore 64 | news.ycombinator.com | 2026-08-17
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lander-source-code-acorn-archimedes
Fully documented source code for the classic game Lander on the Acorn Archimedes
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IBM-PC-BIOS
This is a reconstruction of the original 1981-82 IBM PC BIOS source code using scanning and transcription of the BIOS listings found in the IBM Technical Reference manuals.
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8Blit
Episode source code for the 8-bit Atari 2600 / VCS / Video Computer System, one of the pioneering home gaming consoles.
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the-sentinel-source-code-bbc-micro
Fully documented source code for the classic game The Sentinel on the BBC Micro
Project mention: Documented source code for The Sentinel on the BBC Micro | news.ycombinator.com | 2026-01-02 -
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elite-source-code-6502-second-processor
Fully documented source code for the classic game Elite on the BBC Micro with a 6502 Second Processor
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elite-source-code-bbc-master
Fully documented source code for the classic game Elite on the BBC Master
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
Assembly Retrocomputing discussion
Assembly Retrocomputing related posts
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Show HN: OSle now has a C API and still fits in 510 bytes
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MS-DOS Development Resources
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CP/M 2.2, CP/M 3.0, CP/M-86, Concurrent CP/M-86 listings by Digital Research
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Show HN: OSle â A 510 bytes OS in x86 assembly
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OSle â A 510 bytes OS in x86 assembly
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Why is there a "small house" in IBM's Code page 437?
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Show HN: Onramp Can Compile Doom
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A note from our sponsor - Kargo
akuity.io | 4 Sep 2026
Index
What are some of the best open-source Retrocomputing projects in Assembly? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | its | 952 |
| 2 | Zeal-8-bit-OS | 671 |
| 3 | elite-source-code-bbc-micro-cassette | 487 |
| 4 | elite-source-code-commodore-64 | 465 |
| 5 | elite-source-code-nes | 405 |
| 6 | GLaBIOS | 373 |
| 7 | a2d | 322 |
| 8 | osle | 266 |
| 9 | PLASMA | 215 |
| 10 | supermon64 | 164 |
| 11 | ozmoo | 134 |
| 12 | lander-source-code-acorn-archimedes | 108 |
| 13 | c64-elite-flicker-free | 95 |
| 14 | IBM-PC-BIOS | 85 |
| 15 | sebasic4 | 76 |
| 16 | 8Blit | 57 |
| 17 | the-sentinel-source-code-bbc-micro | 54 |
| 18 | tashtalk | 53 |
| 19 | elite-source-code-6502-second-processor | 40 |
| 20 | ISA_8bitNetwork_8019 | 38 |
| 21 | revs-source-code-bbc-micro | 37 |
| 22 | elite-source-code-bbc-master | 32 |
| 23 | spectrum-desolate | 26 |
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Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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