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Top 22 C Riscv Projects
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Unicorn Engine
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)
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InfluxDB
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capstone
Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
When I was last working with machine code, I found capstone to be very useful. Even just reading the source was helpful for some of the conditionally present amd64 fields.
https://github.com/capstone-engine/capstone
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Project mention: Limine – Modern, advanced, portable, multiprotocol bootloader and boot manager | news.ycombinator.com | 2025-03-12
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Project mention: Accelerate RISC-V Instruction Set Simulation by Tiered JIT Compilation | news.ycombinator.com | 2024-10-23
The complementary codebase presented in the research paper is rv32emu, an efficient RISC-V instruction set simulator, available under the MIT License. See https://github.com/sysprog21/rv32emu
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ara
The PULP Ara is a 64-bit Vector Unit, compatible with the RISC-V Vector Extension Version 1.0, working as a coprocessor to CORE-V's CVA6 core (by pulp-platform)
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wip-nuttx
(Work-in-Progress for StarPro64, SG2000, Ox64, Star64 and PinePhone) Apache NuttX is a mature, real-time embedded operating system (RTOS)
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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).
C Riscv discussion
C Riscv related posts
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RVVM: RISC-V Virtual Machine
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RISC-V Announces Ratification of the RVA23 Profile
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Investigate performance with Process Watch on AWS Graviton processors
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RP2350 PicoDVI Preview
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Fall in Love with the RP2350
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Is RISC-V ready for HPC? Evaluating the 64-core Sophon SG2042 RISC-V CPU
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Ara2: RVV 1.0 Compliant Open-Source Processor
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A note from our sponsor - SaaSHub
www.saashub.com | 18 Jun 2025
Index
What are some of the best open-source Riscv projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Unicorn Engine | 8,240 |
| 2 | capstone | 8,084 |
| 3 | limine | 2,298 |
| 4 | shecc | 1,240 |
| 5 | RVVM | 1,056 |
| 6 | FastLZ | 483 |
| 7 | rv32emu | 486 |
| 8 | ara | 433 |
| 9 | esp | 374 |
| 10 | Tina | 288 |
| 11 | cheribsd | 180 |
| 12 | riscv_em | 138 |
| 13 | nuclei-sdk | 138 |
| 14 | simd_utils | 107 |
| 15 | OpenPicoRTOS | 91 |
| 16 | qemu-pinning | 41 |
| 17 | nuttx-star64 | 27 |
| 18 | taurus | 12 |
| 19 | ch32v307-gnumake | 7 |
| 20 | wip-nuttx | 6 |
| 21 | ulisp-bl602 | 5 |
| 22 | ch32v00 | 0 |
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