This repo contains a list of virtual machines and tools that execute the WebAssembly(wasm) format and/or compile it to executable machine code
๐ - Active development
๐ด - Unmaintained (been more than a year since last commit)
- CMM of Wasm ๐ด
- EOSVM ๐
- FDVM ๐ด
- inNative ๐
- Life ๐
- Lucet ๐
- wasm3 ๐
- Motor ๐ด
- py-wasm ๐
- Serverless Wasm ๐ด
- Swam ๐
- VMIR ๐ด
- wac ๐
- Wagon ๐
- WAKit ๐
- Warpy ๐
- Wasmer ๐
- Wasmo ๐
- WasmRT ๐ด
- Wasmtime ๐
- WasmVM ๐
- WasmVM ๐
- WAVM ๐
- WebAssembly ๐ด
- WebAssembly Micro Runtime ๐
- TWVM ๐
A compiler from WebAssembly to native code, via the OCaml backend.
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Languages written in
OCaml -
Compiler framework
OCaml Compiler -
Compilation / Execution modes
AOT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS
EOS VM is designed from the ground up for the high demands of blockchain applications which require far more from a WebAssembly engine than those designed for web browsers or standards development.
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Languages written in
C++ -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
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Platforms supported
Linux macOS Windows
WASM runtime to develop server-side WebAssembly applications.
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Languages written in
JavaScript -
Compiler framework
NodeJS(V8) -
Compilation / Execution modes
JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
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Platforms supported
Linux macOS Windows
An AOT (ahead-of-time) compiler for WebAssembly that creates C compatible binaries, either as sandboxed plugins you can dynamically load, or as stand-alone executables that interface directly with the operating system.
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Languages written in
C++ -
Compiler framework
LLVM -
Compilation / Execution modes
AOT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
Life is a secure & fast WebAssembly VM built for decentralized applications, written in Go by Perlin Network.
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Languages written in
Go -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
Lucet is a native WebAssembly compiler and runtime. It is designed to safely execute untrusted WebAssembly programs inside your application.
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Languages written in
Rust -
Compiler framework
Cranelift -
Compilation / Execution modes
AOT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
WASI -
Non-web standards
- WASI
- wasm-c-api
-
Used by
N/A
-
Platforms supported
Linux
๐ A high performance WebAssembly interpreter
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Languages written in
C -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
WASI -
Non-web standards
- WASI
-
Used by
N/A
-
Platforms supported
Linux macOS Windows Android OpenWRT SBC/MCU
Motor is a WebAssembly runtime, which aims for secure and efficient execution of WebAssembly programs
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Languages written in
Rust -
Compiler framework
Dynasm -
Compilation / Execution modes
JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS
A python implementation of the WebAssembly interpreter
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Languages written in
Python -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
A small demo of Web Assembly's potential outside of browsers
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Languages written in
Rust -
Compiler framework
Wasmi Cranelift -
Compilation / Execution modes
Interpreted JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
WebAssembly engine in Scala
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Languages written in
Scala -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
VMIR is a standalone library written in C that can parse and execute WebAssembly and LLVM Bitcode files
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Languages written in
C -
Compiler framework
LLVM -
Compilation / Execution modes
Interpreted JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
N/A
-
Platforms supported
Linux macOS Windows
A Minimal WebAssembly interpreter written in C.
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Languages written in
C -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
Wagon is a WebAssembly-based interpreter in Go, for Go.
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Languages written in
Go -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
A WebAssembly runtime written in Swift.
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Languages written in
Swift -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS
WebAssembly interpreter in RPython.
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Languages written in
RPython -
Compiler framework
RPython -
Compilation / Execution modes
JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
Wasmer is a standalone WebAssembly runtime for running WebAssembly outside of the browser, supporting WASI and Emscripten.
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Languages written in
Rust C++ -
Compiler framework
Cranelift (Primary) Dynasm.rs LLVM -
Compilation / Execution modes
JIT -
Interoperability with other languages
PHP C C++ Python Go PHP Ruby Postgres C#/.Net R Swift -
Non-MVP features supported
SIMD Threads -
Host APIs supported
Emscripten WASI -
Non-web standards
- WASI
- wasm-c-api
-
Used by
- Spacemesh Virtual Machine - A Spacemesh smart contracts vm
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Platforms supported
Linux macOS Windows
A Wasm interpreter.
-
Languages written in
Rust -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
An Embeddable WebAssembly VM
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Languages written in
Rust -
Compiler framework
LLVM -
Compilation / Execution modes
JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
wasmrt is a runtime built for native execution of WebAssembly modules (virtualized at first, eventually JIT).
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Languages written in
C++ -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
Wasmtime is a standalone wasm-only runtime for WebAssembly, using the Cranelift JIT
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Languages written in
C++ -
Compiler framework
Cranelift -
Compilation / Execution modes
JIT -
Interoperability with other languages
Python -
Non-MVP features supported
Interface types -
Host APIs supported
WASI -
Non-web standards
- WASI
- wasm-c-api
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
An unofficial standalone WebAssembly process virtual machine
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Languages written in
C++ -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
WebAssembly Virtual Machine, which aim to fit embedded systems.
-
Languages written in
Rust -
Compiler framework
Life -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
WebAssembly Virtual Machine, which aim to fit embedded systems.
-
Languages written in
C++ Python -
Compiler framework
LLVM -
Compilation / Execution modes
JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
Threads SIMD Multiple Result and Block Parameters Exception Handling Name Section Reference Types Bulk Memory Operations Sign Extension Instructions -
Host APIs supported
WASI Emscripten WAVIX -
Non-web standards
- WASI
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
An experimental, minimal toolkit and runtime on top of node to produce and run WebAssembly modules
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Languages written in
JavaScript -
Compiler framework
NodeJS(V8) -
Compilation / Execution modes
JIT -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
WebAssembly Micro Runtime (WAMR) is a standalone WebAssembly (WASM) runtime with small footprint
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Languages written in
C -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
A tiny and efficient WebAssembly virtual machine.
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Languages written in
C++ -
Compiler framework
Custom -
Compilation / Execution modes
Interpreted -
Interoperability with other languages
N/A
-
Non-MVP features supported
N/A
-
Host APIs supported
N/A
-
Non-web standards
N/A
-
Used by
N/A
-
Platforms supported
Linux macOS Windows
To the extent possible under law, Steve Akinyemi has waived all copyright and related or neighboring rights to this work.