This page is a collection of available software in the RISC-V ecosystem. This list is curated by the community – which includes you! Add software to the list by filing a pull request on the GitHub repository. If you have any questions about this process, contact us for help.
| Name | Links | License | Maintainers |
|---|---|---|---|
| DBT-RISE-RISCV | github | BSD 3-Clause | MINRES Technologies |
| FireSim | website, mailing list, github, ISCA 2018 Paper | BSD | Sagar Karandikar, Howard Mao, Donggyu Kim, David Biancolin, Alon Amid, Berkeley Architecture Research |
| gem5 | SW-dev thread, repository | BSD-style | Alec Roelke (University of Virginia) |
| Imperas | website | Proprietary, models available under Apache 2.0 | Imperas |
| riscvOVPsim | github | license | Imperas |
| OVPsim | website | Free for non commercial use, models available under Apache 2.0 | Imperas |
| jor1k | website, github | BSD 2-Clause | Sebastian Macke |
| Jupiter | github | GPL-3.0 | Andrés Castellanos |
| MARSS-RISCV | github | MIT | Gaurav N Kothari, Parikshit P Sarnaik, Gokturk Yuksek (State University of New York at Binghamton) |
| QEMU | upstream | GPL | Sagar Karandikar (University of California, Berkeley), Bastian Koppelmann (University of Paderborn), Alex Suykov, Stefan O’Rear and Michael Clark (SiFive) |
| RARS | github | MIT | Benjamin Landers |
| Renode | website, github | MIT | Antmicro |
| Ripes | github | MIT | Morten Borup Petersen |
| RISC-V Virtual Prototype | website, github | MIT | Vladimir Herdt (University of Bremen, AGRA) |
| TinyEMU | website | MIT | Fabrice Bellard |
| Spike | github | BSD 3-clause | Andrew Waterman & Yunsup Lee (SiFive) |
| Swerv-ISS | github | GPL – 3 | Joseph Rahmeh (Western Digital) |
| VLAB | VLAB Works | Proprietary | ASTC |
| WebRISC-V | github | BSD 3-clause | Gianfranco Mariotti, Roberto Giorgi (University of Siena) |
| PQSE | website | Proprietary | PQShield |
| riscv-rust | website github | MIT | Takahiro Aoyagi |
| terminus | github | MIT | Yang Li |
| Vulcan | github | MIT | Victor Miguel de Morais Costa |
| Name | Links | License | Maintainers |
|---|---|---|---|
| Binutils | RISC-V repo, Upstream repos | GPLv2 | Andrew Waterman (SiFive), Palmer Dabbelt (Google) & Jim Wilson (SiFive) |
| LLVM | GitHub mirror | Apache 2.0 with LLVM exception | Alex Bradbury (lowRISC) |
| Cranelift | GitHub | Apache 2.0 | Cranelift core team |
| Name | Links | License | Maintainers |
|---|---|---|---|
| GDB | Upstream | GPLv2 | Andrew Burgess (Embecosm), Palmer Dabbelt (Google) |
| OpenOCD | Upstream repo, RISC-V repo | GPLv2 | Tim Newsome (SiFive), Megan Wachs (SiFive), Palmer Dabbelt (Google) |
| GNU MCU Eclipse OpenOCD | Website, GitHub | GPLv2 | Liviu Ionescu |
| TRACE32 JTAG Debugger | Website | TRACE32 license | Lauterbach |
| Ozone – the J-Link Debugger | Website | SEGGER commercial license (J-Link PLUS) | SEGGER |
| Ashling RiscFree Debugger | Website | Ashling commercial license | Ashling |
| Imperas Multi Processor Debugger | Website | Imperas Commercial License | Imperas |
| TCF Debugger | Website, GitHub | Eclipse Distribution License 1.0 (BSD) / Eclipse Public License 1.0 | Sanimir Agovic |
| PlatformIO Unified Debugger | Docs | Apache 2.0 | PlatformIO |
| Green Hills Probe | Website | Proprietary | Green Hills |
| Name | Links | License | Maintainers |
|---|---|---|---|
| GCC | Upstream, RISC-V repository | GPLv3 | Andrew Waterman (SiFive), Palmer Dabbelt (Google), Jim Wilson (SiFive), Kito Cheng (SiFive) |
| GNU MCU Eclipse RISC-V Embedded GCC (riscv-non-embed-gcc) | Web, Repository, Build, Binary package installer | Eclipse Public License | Liviu lonescu |
| Clang/LLVM | Upstream | Apache 2.0 | Alex Bradbury (lowRISC) |
| CompCert | Upstream | INRIA Non-Commercial License Agreement | Xavier Leroy |
| Glibc | Upstream, RISC-V repository | GPLv2 | Palmer Dabbelt (Google), Andrew Waterman (SiFive), DJ Delorie (Red Hat), Darius Rad(Bluespec) |
| Newlib | Upstream, RISC-V repository | GPLv2 | Kito Cheng (SiFive) |
| SEGGER Runtime Library | Website | SEGGER commercial license | SEGGER |
| SEGGER Floating Point Library | Website | SEGGER commercial license | SEGGER |
| Musl | GitHub | MIT | – |
| Green Hills Optimizing C/C++ Compilers | Website | Proprietary | Green Hills |
| Name | Links | License | Brief | Maintainers |
|---|---|---|---|---|
| Xvisor | Website, Upstream, RISC-V Repo | GPLv2 | Type-1 baremetal monolithic hypervisor | Anup Patel (Western Digital) |
| KVM | Website, RISC-V Repo, RISC-V Wiki | GPLv2 | Type-2 hypervisor | Anup Patel (Western Digital), Atish Patra (Western Digital) |
| KVMTOOL | Upstream, RISC-V Repo | GPLv2 | Userspace tool for the KVM hypervisor | Anup Patel (Western Digital), Atish Patra (Western Digital) |
| Name | Links | License | Maintainers |
|---|---|---|---|
| Linux Kernel | github, kernel.org | GPLv2 | Andrew Waterman (SiFive), Albert Ou (SiFive), Palmer Dabbelt (Google) |
| Yocto Project/OpenEmbedded | github | MIT | Khem Raj |
| Buildroot | busybox.net | Mark Corbin (Embecosm) |
| Name | Links | License | Maintainers |
|---|---|---|---|
| Fedora | fedoraproject.org | Richard WM Jones, Stefan O’Rear, David Abdurachmanov | |
| Debian | debian wiki, mit.edu, riscv.org, Annc | Manuel A. Fernandez Montecelo | |
| OpenMandriva | openmandriva.org, openmandriva.org | Bernhard “Bero” Rosenkränzer | |
| openSUSE | opensuse.org | Andreas Schwab (SUSE) | |
| Gentoo | github | Palmer Dabbelt (University of California, Berkeley) | |
| Parabola GNU/Linux-libre | github, parabola.nu | Andreas Grapentin (University of Potsdam, HPI) | |
| Ataraxia Linux | github | protonesso |
| Name | Links | License | Maintainers |
|---|---|---|---|
| embOS | Website, RISC-V port | SEGGER commercial license, free for non-commercial use | SEGGER |
| RTEMS | rtems.org, docs.rtems.org | Hesham Almatary | |
| FreeRTOS | sourceforge, freertos.org | MIT | AWS |
| Zephyr | github, docs | Apache 2.0 | Karol Gugala (Antmicro), Peter Gielda (Antmicro), Nathaniel Graff (SiFive) |
| LiteOS | github, docs | Chaifangming (Huawei), Pengzhouhu (Huawei), Huerjia (Huawei) | |
| NuttX | bitbucket.org, nuttx.org | ||
| Apache Mynewt | riscv.org | Apache 2.0 | James Pace, Runtime |
| OpenWrt | github, binary repo | Zoltan Herpai | |
| seL4 | github, seL4.systems | GPLv2 (kernel and proofs), various open-source licenses (userland) | Trustworthy Systems group, Data61 CSIRO |
| RT-Thread | github, rt-thread.org | Apache 2.0 | RT-Thread |
| PikeOS | Press release | Proprietary | SYSGO |
| VxWorks | Press release | Proprietary | Wind River |
| Embox | github, embox.rocks | Embox |
| Name | Links | License | Maintainers |
|---|---|---|---|
| FreeBSD | github, wiki.freebsd.org, presentation | Ruslan Bukin (FreeBSD) | |
| NetBSD | netbsd.org, github | Matt Thomas (NetBSD), Reinoud Zandijk (NetBSD) |
| Name | Links | License | Maintainers |
|---|---|---|---|
| Go | Upstream, RISC-V repository, Stef’s fork | BSD 3-clause | Benjamin Barenblat (Google), Michael Pratt (Google), Stef O’Rear |
| Ocaml | Upstream, RISC-V repository | LGPL | Nicolás Ojeda Bär |
| Maxine VM (Java Virtual Machine) | Upstream | GPLv2 | Maxine team |
| Jikes RVM (Java Virtual Machine) | Upstream | Eclipse Public License (EPL) | Martin Maas (University of California, Berkeley) |
| OpenJDK/HotSpot (Java Virtual Machine) | ? | ? | Alexey Baturo, Michael Knysnek, Martin Maas |
| OpenJDK/OpenJ9 (Java Virtual Machine) | Upstream | Eclipse Public License 2.0 (EPLv2) with ClassPath Exception & Apache 2.0 | Cheng Jin |
| Free Pascal | Upstream | ? | Jeppe Johansen and others |
| Nim | Upstream | MIT | Andreas Rumpf and others |
| Ada (GNAT) | Upstream | GPLv3 with linking exception | AdaCore |
| Rust | Upstream | Apache and MIT | Rust Project |
| muForth | Upstream | ? | David Frech |
| ibForth | Upstream | GPLv3 | Lars Brinkhoff |
| Mecrisp-Quintis Forth kernel | Upstream | ? | Matthias Koch |
| Mono | Initial support in upstream | MIT | Alex Rønne Petersen |
| Zen | Zen-Lang.org | Commercial, AGPLv3 | connectFree Corporation |
| V8 (JS) | github | BSD | RIOS, Futurewei, PLCT Lab |
| Node.js | github | MIT | RIOS, Futurewei, PLCT Lab |
| Name | Links | License | Maintainers |
|---|---|---|---|
| GNU MCU Eclipse | Website, Repositories, Binary distribution | EPL-1.0 / various | Liviu Ionescu |
| Embedded Studio | Website, RISC-V spec | SEGGER commercial license, free for non-commercial use | SEGGER |
| IAR Embedded Workbench | Website | commercial | IAR Systems |
| PlatformIO | Website, IDE, Docs | Apache 2.0 | PlatformIO |
| Freedom Studio | Website | EPL 1.0/various | SiFive |
| Ashling RiscFreeTM IDE | Website | Ashling commercial license | Ashling |
| SoftConsole | Website | Various, see RN | Microchip |
| GCC Sourcery CodeBench Lite | Website | GPLv3 | Mentor, a Siemens Business |
| LLVM Sourcery CodeBench Lite | Website | Apache 2.0 | Mentor, a Siemens Business |
| MULTI IDE | Website | Proprietary | Green Hills |
| Name | Links | License | Maintainers |
|---|---|---|---|
| emCrypt | Website | Commercial, free for non-commercial use | SEGGER |
| CoreGuard | Website | Proprietary | Dover Microsystems, Inc. |
| MultiZone API | GitHub | ISC | Hex Five Security Inc. |
| Secure IoT Stack | GitHub | MIT, GPLv2, GPLv3, Evaluation license | Hex Five Security Inc. |
| MultiZone Security TEE & Enclave | SDK, Enclave | Evaluation license | Hex Five Security Inc. |
| Keystone Enclave | Website, Repositories | BSD 3-clause | Keystone Team |
| SecureRF | Website, SDK | Proprietary | SecureRF Corp. |
| IntrinsicID | Quiddikey | Proprietary | Intrinsic ID |
| Penglai Enclave | Website, GitHub | Mulan PSL v1 | IPADS |
| PQSLIB / PQSoC | Website | Proprietary | PQShield |
| Name | Links | License | Maintainers |
|---|---|---|---|
| TF Lite | demo, blog note | Apache 2.0 | Antmicro / Google TF Lite team |
| ncnn | GitHub | BSD 3-clause | Tencent Open Source |
