Wasmtime

Open source

A standalone WebAssembly runtime supporting WASI for running modules outside the browser.

by Bytecode AllianceOfficial site ↗Source code ↗

Pricing: free
License: open-source
Open source: Yes

Editorial review

Wasmtime has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Documentation(HTTPS URL): https://docs.wasmtime.dev/Verified
Tags(open-source;cloud-native): WebAssembly, runtime, WASI, CraneliftVerified

Platform · Deployment

Delivery model(SaaS;self-hosted;desktop;mobile;embedded;managed-cloud;appliance): desktopVerification pending

Pricing · Licensing

License model(proprietary;open-source;source-available;dual-license): open-sourceVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): freeVerification pending
Source repository(HTTPS URL): https://github.com/bytecodealliance/wasmtimeVerified
SPDX license IDs(Apache-2.0;MIT): Apache-2.0Verified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): fast WebAssembly runtime built on the Cranelift code generator, runtime and ahead-of-time compilation, WASI host API support, 24/7 fuzzing via Google OSS Fuzz, official WebAssembly test suite compliance, embeddings for Rust, C, C++, Python, .NET, Go and RubyVerification pending

Api · Integrations · Ecosystem

API available(true/false): trueVerification pending
CLI(true/false): trueVerification pending

Support · Docs · Services

Support channels(email;ticket;chat;phone;community): community chatVerification pending

Audience · Use · Case

Best for(Neutral editorial summary): Running and embedding WebAssembly with a fast, security-focused runtime backed by the Bytecode AllianceVerification pending
Primary use cases(build;monitor;automate): running WebAssembly modules on desktops and servers, embedding wasm runtimes in host applicationsVerification pending

Vendor · Maintainer

Vendor type(commercial;foundation;community;government;consortium;individual): consortiumVerification pending

User reviews

Review policy

No published reviews yet.