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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

1799 open issues indexed

Include a debugging flow Open

bytecodealliance/sample-wasi-http-js#4 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Question: TypeScript support? Open

bytecodealliance/sample-wasi-http-js#5 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document the config in the README Open

bytecodealliance/wkg-github-action#10 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Provide a flag to also publish a `:latest` tag Open

bytecodealliance/wkg-github-action#11 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Requesting a new tag Open

bytecodealliance/wkg-github-action#13 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Soundness: Violation of I/O Safety via Unwound Double-Close in `ReadReady::num_ready_bytes` Open

bytecodealliance/system-interface#49 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is passing an invalid pointer to recv sound? Open

bytecodealliance/system-interface#50 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add Spin and opentelemetry-wasi to OTel demo architecture Open

bytecodealliance/opentelemetry-wasi#24 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Panic in `rust/examples/spin-tracing` Open

bytecodealliance/opentelemetry-wasi#37 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consolidate integration tests snaps Open

bytecodealliance/opentelemetry-wasi#42 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Root spans aren't being detected by the integration tests (new Spin release) Open

bytecodealliance/opentelemetry-wasi#45 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider splitting this repo into a repo for each language Open

bytecodealliance/opentelemetry-wasi#46 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Start cutting releases that correspond to the OpenTelemetry versions they support Open

bytecodealliance/opentelemetry-wasi#47 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Make regalloc2 panic-clean: always return errors when impossible constraints occur Open

bytecodealliance/regalloc2#2 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Investigate better bitpacking for Operand and Use Open

bytecodealliance/regalloc2#5 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Investigate using Clippy and following lints' recommendations Open

bytecodealliance/regalloc2#6 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Rematerialization Open

bytecodealliance/regalloc2#8 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Conflict between Stack and Reg uses of the same vreg Open

bytecodealliance/regalloc2#14 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support for cold blocks Open

bytecodealliance/regalloc2#22 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Replace manual use of index newtypes `bundles[bundle.index()]` with `Index` impls and typed `Vec` wrappers Open

bytecodealliance/regalloc2#62 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Alternative regalloc backends Open

bytecodealliance/regalloc2#81 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
regalloc2 makes too many memory allocations Open

bytecodealliance/regalloc2#87 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Limit operand to a set of physical registers Open

bytecodealliance/regalloc2#107 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support instructions that clobber all registers and have non-fixed uses Open

bytecodealliance/regalloc2#145 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Include useful diagnostic information in errors Open

bytecodealliance/regalloc2#147 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Adapt regalloc2-tool to work with creduce Open

bytecodealliance/regalloc2#173 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fuzzer Not Detecting Incorrect Allocation Open

bytecodealliance/regalloc2#191 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Extend the fuzzer to check the debug locations output Open

bytecodealliance/regalloc2#194 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Replace scratch register with XOR swap Open

bytecodealliance/regalloc2#206 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Conflicting defs and clobbers lead to panic rather than clean error from allocator Open

bytecodealliance/regalloc2#222 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Modeling subregister aliasing Open

bytecodealliance/regalloc2#247 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
feat: wasm64 Open

bytecodealliance/waffle#8 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Complete support for Wasm GC Open

bytecodealliance/waffle#13 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document path-based operation Open

bytecodealliance/wit-deps#13 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add `--no-cache` flag Open

bytecodealliance/wit-deps#15 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Shared GitHub `wit-deps update` action Open

bytecodealliance/wit-deps#17 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document `wit-deps update` Open

bytecodealliance/wit-deps#18 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Define a process for resolving disagreements among stakeholders for the RFC process Open

bytecodealliance/rfcs#6 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Produce a Wasm component as output Open

bytecodealliance/wit-deps#24 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider adding a section for risk assessment to the RFC template Open

bytecodealliance/rfcs#7 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Number RFCs by order of proposal Open

bytecodealliance/rfcs#23 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use Wasm to hash dep components, rather than `tar` Open

bytecodealliance/wit-deps#25 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider creating a .github repository? Open

bytecodealliance/rfcs#33 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE REQUEST] Fetching a private repo in github using wit-deps update Open

bytecodealliance/wit-deps#152 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add a `--check` subcommand Open

bytecodealliance/wit-deps#157 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document `cargo lock --check` Open

bytecodealliance/wit-deps#159 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fix parallel download errors when solution has multiple projects that use WasmComponent.Sdk Open

bytecodealliance/componentize-dotnet#8 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add linter for msbuild scripts Open

help wanted

bytecodealliance/componentize-dotnet#9 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
infra: Add CI release process Open

bytecodealliance/tree-sitter-wit#21 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Build warning - CSC : warning CS8784 Open

bytecodealliance/componentize-dotnet#23 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026

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