Libriscv – RISC-V userspace emulator library
The fastest RVA23 RISC-V sandbox. Contribute to libriscv/libriscv development by creating an account on GitHub.
Libriscv – RISC-V userspace emulator library launched on November 18, 2022 with 40 votes, #1,101 of 3,471 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Libriscv is a RISC-V userspace emulator library that enables developers to run RISC-V binaries on non-RISC-V systems. It provides a lightweight emulation environment for executing RISC-V applications without requiring full system virtualization. The library is designed for developers and researchers who need to test, debug, or run RISC-V software on standard computing platforms. As an open-source tool, it serves the embedded systems and processor architecture communities.
written from the facts on this page · September 2026
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Emacs-riscv – A RISC-V emulator written in Emacs LispJan 2026 · github.com · ▲10Hi HN, This is a small RISC-V emulator I’ve been hacking on in Emacs Lisp as a fun weekend project. It started mostly as a way to better understand the RISC-V spec by implementing things myself, and also as an excuse to write more non-trivial Emacs Lisp. It currently focuses on RV32I and related basics, and is very much not optimized or production-ready. If you’re into RISC-V, emulators, or just enjoy seeing unusual things built in Emacs Lisp, feedback and comments are welcome Happy hacking!
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I built a RISC-V emulator that runs DOOMMay 2026 · github.com · ▲50Demo: https://www.youtube.com/watch?v=f5uygzEmdLw Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I have been working tirelessly to get DOOM to run. I needed to figure out how to run C programs first, and came across newlib, which allows the underlying environment to implement the syscall stubs one by one until the programs run. I have also added ELF loading, but currently only a single `PT_LOAD` segment is…
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