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Top 21 Assembly Z80 Projects
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Kargo
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z88dk
The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.
Project mention: ASCII characters are not pixels: a deep dive into ASCII rendering | news.ycombinator.com | 2026-01-17 -
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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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Forth850
A fast Forth 2012 Standard system written in Z80 assembly for SHARP PC-G850 pocket computers. Plus new fast Z80 IEEE754 math libraries.
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SaaSHub
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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 Z80 discussion
Assembly Z80 related posts
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One engineer beat the ban on home computers in socialist Yugoslavia
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Compiling to Assembly from Scratch [free to read online]
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Zenv: Forth for the ZX Spectrum
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The direct influence of Twin Peaks on Zelda
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Late 70s and 80s: forget BASIC, we had Pascal and C
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Red 4th Ram in Amstrad Diag's app
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Retro not Vintage Week entry, my Z80 RC2014 Pro with floppy drive, YM2149, CF, Wifi, etc.
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A note from our sponsor - SaaSHub
www.saashub.com | 4 Sep 2026
Index
What are some of the best open-source Z80 projects in Assembly? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | KnightOS | 1,314 |
| 2 | z88dk | 1,134 |
| 3 | LADX-Disassembly | 897 |
| 4 | Zeal-8-bit-OS | 671 |
| 5 | sjasmplus | 457 |
| 6 | RomWBW | 424 |
| 7 | hbc-56 | 234 |
| 8 | amstrad-diagnostics | 108 |
| 9 | ti84-forth | 102 |
| 10 | sebasic4 | 76 |
| 11 | ESP32-Z80-Emulator | 48 |
| 12 | sbasm3 | 44 |
| 13 | VEDIT | 41 |
| 14 | zenv | 35 |
| 15 | Forth850 | 34 |
| 16 | RSX280 | 30 |
| 17 | spectrum-desolate | 26 |
| 18 | akmw | 24 |
| 19 | ereader-solitaire | 16 |
| 20 | satellite7 | 3 |
| 21 | Z80-Game-Of-Life | 1 |
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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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