s-macke/jor1k
s-macke/jor1k has 1,801 GitHub stars and 217 forks. GitHot measured +1 stars in 24 hours and +1 in 7 days. Last checked 2026-11-09 00:28 UTC. Last push 2025-11-01.
Online OR1K Emulator running Linux
Measured star growth
- in 24h
- +1
- in 7 days
- +1
- in 15 days
- Update delayed
- in 1 month
- Update delayed
Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.
README.md
Originaljor1k

jor1k is a OpenRISC 1000 emulator written in JavaScript running Linux. It runs in almost any modern web browser. Have a try and see if it runs in your browser by opening the demo. More information can be found on the Wiki pages.
Demos
- Main demo page
- Edit, compile and run C code in your browser
- Edit, compile and run C code from the University of Illinois
- Symmetric multiprocessing with 2 cores, 4 cores, 8 cores, 16 cores (unstable with inreasing cores)
- Simple demo
- RTEMS (real time operating system) demo
- Simple demo of the RISC-V CPU implementation. Wait until the first message appear in the terminal, then choose bbl in the dropdown menu.
Project Links
- Bugtracker to report any issues or feature requests
- Wiki containing more detailed descriptions
LICENSE
- The program is distributed under the terms of the Simplified BSD License. The license details can be found in the file "LICENSE.md"
- The ACE editor is BSD licensed.
Developer
Sebastian Macke simulationcorner.net
Contributors
Gerard Braad github.com/gbraad
Ben Burns github.com/benjamincburns
Lawrence Angrave github.com/angrave
Neelabh Gupta github.com/neelabhg
Explore related projects
codecrafters-io/build-your-own-x
Master programming by recreating your favorite technologies from scratch.
561,263 starspublic-apis/public-apis
A collective list of free APIs
497,524 starsmorluto/rea
Reverse engineer anything with agents, from app behavior down to native binaries.
445,962 starsopenclaw/openclaw
The AI that really does things. Any OS. Any Platform. The lobster way. 🦞
394,231 stars