Owner

bytecodealliance

62 indexed repositories · View on GitHub

wasmtime
A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

Rust · 18637 stars
javy
JS to WebAssembly toolchain

Rust · 2747 stars
rustix
Safe Rust bindings to POSIX-ish APIs

Rust · 2099 stars
wasm-tools
CLI and Rust libraries for low-level manipulation of WebAssembly modules

Rust · 1790 stars
wit-bindgen
A language binding generator for WebAssembly interface types

Rust · 1457 stars
wizer
The WebAssembly Pre-Initializer

Rust · 1100 stars
jco
JavaScript toolchain for working with WebAssembly Components

TypeScript · 1003 stars
wasmtime-go
Go WebAssembly runtime powered by Wasmtime

Go · 913 stars
cap-std
Capability-oriented version of the Rust standard library

Rust · 821 stars
cranelift-jit-demo
JIT compiler and runtime for a toy language, using Cranelift

Rust · 763 stars
cargo-component
A Cargo subcommand for creating WebAssembly components based on the component model proposal.

Rust · 593 stars
wasmtime-py
Python WebAssembly runtime powered by Wasmtime

Python · 539 stars
wasmtime-dotnet
.NET embedding of Wasmtime https://bytecodealliance.github.io/wasmtime-dotnet/

C# · 519 stars
ComponentizeJS
JS -> WebAssembly Component

Rust · 391 stars
wasi-rs
WASI bindings for Rust

Rust · 370 stars
wrpc
Wasm component-native RPC framework

Rust · 336 stars
wasi.dev
WASI.dev is an introduction to the WebAssembly System Interface (WASI).

TypeScript · 331 stars
endive
The JVM native WebAssembly runtime

Java · 296 stars
StarlingMonkey
The StarlingMonkey JS runtime

C · 288 stars
componentize-py
Tool for targeting the WebAssembly Component Model using Python

Rust · 277 stars
42 more repositories live on View on GitHub

Open All

1804 open issues indexed

Guidance paper on How to add an API to the LTS version Open

bytecodealliance/sig-embedded#22 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
JS glue code to lazily run wizer in browser after first load Open

bytecodealliance/wizer#45 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Replace old core Wasm module linking support with new component model linking support Open

bytecodealliance/wizer#48 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error messages in ptr+length languages Open

bytecodealliance/arf-strings#3 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support running initialization with a custom `wasmtime::Linker` Open

bytecodealliance/wizer#49 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
__original_main no longer in WASI Open

bytecodealliance/wizer#58 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
no associated item named `FIXED` found for struct `MapFlags` in the current scope Open

bytecodealliance/wizer#64 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Crashes for `esp-idf` Open

bytecodealliance/fs-set-times#10 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support alpine prebuild Open

bytecodealliance/wizer#93 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error when compiling for Redox Open

bytecodealliance/fs-set-times#11 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Allow reference types as long as not used by the initialization function? Open

bytecodealliance/wizer#98 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add `processed-by` entry to the producer Open

bytecodealliance/wizer#105 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Building with `--release` fails to generate one component type section Open

bytecodealliance/cargo-component#80 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Monotonic clock offsetting Open

bytecodealliance/wizer#125 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add `test` command to support running tests Open

enhancement

bytecodealliance/cargo-component#94 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Wizer truncates data segment count to 10000, resulting in out-of-bounds indices Open

bytecodealliance/wizer#126 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to describe dependencies on local packages with relative path Open

bytecodealliance/cargo-component#120 · 10 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Broken link (2021 WebAssembly Summit) Open

bytecodealliance/wizer#130 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Handle `wasi:cli/run` specially for a command component Open

bytecodealliance/cargo-component#135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Request for reproducible build Open

bytecodealliance/wizer#153 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Could cargo-component auto-compose components? Open

bytecodealliance/cargo-component#136 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Support multiple target dependencies with the same package id but different versions. Open

bytecodealliance/cargo-component#181 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Build Failure with Inline WIT with `wit-bindgen` Open

bytecodealliance/cargo-component#188 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider how to handle "tombstoning" of deleted packages/releases Open

bytecodealliance/SIG-Registries#12 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document `package.metadata.component` configuration Open

bytecodealliance/cargo-component#194 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Log Based Registry: Annotation Open

bytecodealliance/SIG-Registries#27 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Preserve comments from wit file in the binary Open

bytecodealliance/cargo-component#229 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Log Based Registry: Operator Entries Open

bytecodealliance/SIG-Registries#28 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Package Format Open

bytecodealliance/SIG-Registries#30 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Confusion around component dependencies and target dependencies Open

bytecodealliance/cargo-component#238 · 4 comments · 5 reactions · 0 assignees · Indexed Sep 14, 2026
Fetch API Open

bytecodealliance/SIG-Registries#31 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Confusing error if versions of local dependencies don't align Open

bytecodealliance/cargo-component#239 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Threat Model Open

bytecodealliance/SIG-Registries#47 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Secondary target dependencies Open

bytecodealliance/cargo-component#259 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
polyglot pull and publish e2e demo Open

bytecodealliance/SIG-Registries#48 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cargo workspaces `core`, `alloc` imports and `macro` exports cannot be resolved Open

bytecodealliance/cargo-component#263 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`cargo component check --workspace` should not generate bindings for workspace members without `[package.metadata.component]` set Open

bytecodealliance/cargo-component#267 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document the schema of the cargo-component Cargo.toml configuration Open

bytecodealliance/cargo-component#269 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
hello Open

bug documentation invalid

bytecodealliance/subscribe-to-label-action#1 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use something like nightly.link or a non-re-published release to avoid excess notifications Open

bytecodealliance/cargo-component#280 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avoid spurious mentions Open

enhancement

bytecodealliance/subscribe-to-label-action#6 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Build error: `error: string size out of bounds (at offset {offset})` Open

bytecodealliance/cargo-component#281 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Resource Static Methods Cause Build Failure When Imported Open

bytecodealliance/cargo-component#284 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Name of package Open

bytecodealliance/cm-dotnet#1 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Minimum Supported Rust Version (MSRV) Open

bytecodealliance/cargo-component#298 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`cargo component add` not producing runnable/usable binaries Open

bytecodealliance/cargo-component#302 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cargo Component install give error in RPI 4 (ARM CORTEX-A72) Open

bytecodealliance/cargo-component#303 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Move reference to wasmtime security doc to ba site Open

documentation

bytecodealliance/ba-template#1 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Should the wit crate be relocated to wasm-pkg-tools? Open

bytecodealliance/cargo-component#307 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
move generated bindings files to a `generated/` sub-directory Open

bytecodealliance/cargo-component#315 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

bytecodealliance

Get new issues in your inbox