bytecodealliance/wasmtime
A lightweight WebAssembly runtime that is fast, secure, and standards-compliant
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+468
STARS · LAST 30 DAYS
16
PER DAY
#94
MOST-STARRED Rust
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +468 | +1.4K |
| Per day | 1 | 16 | 16 |
| Forks gained | +0 | +37 | +93 |
wasmtime gained 468 stars in the last 30 days, about 16 a day, and now has 18.7K. It is about 9 years old and has averaged roughly 2.1K stars a year. It ranks #94 among Rust repositories and #783 across all languages on GitHubRepo.
Trending Record
8
DAYS ON TRENDING
#3968
BEST RANK
Oct 12, 2026
FIRST APPEARANCE
Active
STATUS TODAY
wasmtime has maintained a continuous presence across global trending indexes, peaking at #3968. Below is the 30-day activity profile:
💡 Overview
wasmtime is an open-source project written in Rust: A lightweight WebAssembly runtime that is fast, secure, and standards-compliant.
Engineered for speed, consistency, and developer ease, it solves common hurdles in aot, cranelift, jit. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Rust for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ cargo install wasmtime⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Rust toolchain (rustc / cargo >= 1.70)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
wasmtime coordinates its core functionality through a modular Rust pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed wasmtime into Rust backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open Apache-2.0 license.
🚀 Getting Started
Install wasmtime using your package manager: `cargo install wasmtime`
Initialize your project workspace or configuration file for wasmtime.
Import wasmtime into your codebase or invoke it directly from your terminal.
Execute your test suite or run `wasmtime --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
bytecodealliance/wasmtime is currently ranked #783 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #778 | nesquena/hermes-webui | Python | ★ 18.9K | Compare ↗ |
| #779 | wled/WLED | C++ | ★ 18.9K | Compare ↗ |
| #780 | gradle/gradle | Groovy | ★ 18.9K | Compare ↗ |
| #780 | earthtojake/text-to-cad | Python | ★ 18.9K | Compare ↗ |
| #782 | lichess-org/lila | Scala | ★ 18.8K | Compare ↗ |
| #783 | bytecodealliance/wasmtime This Project | Rust | ★ 18.7K | |
| #784 | google/magika | Rust | ★ 18.7K | Compare ↗ |
| #785 | docusealco/docuseal | Ruby | ★ 18.7K | Compare ↗ |
| #786 | NVIDIA-NeMo/Speech | Python | ★ 18.6K | Compare ↗ |
| #787 | nukeop/nuclear | TypeScript | ★ 18.6K | Compare ↗ |
| #788 | ether/etherpad | TypeScript | ★ 18.6K | Compare ↗ |
Frequently Asked Questions
What does wasmtime do? +
A lightweight WebAssembly runtime that is fast, secure, and standards-compliant
What language is wasmtime written in? +
The primary language is Rust. Topics include: aot, cranelift, jit, lightweight, portable.
Is wasmtime actively maintained? +
Yes, the last recorded push was on Oct 12, 2026 with 863 open issues being tracked.
How many stars does wasmtime have? +
wasmtime has 18,712 stars and 1,858 forks on GitHub.
How does wasmtime rank among GitHub repositories? +
With 18,712 stars, bytecodealliance/wasmtime is ranked #783 globally across all repositories tracked on GitHubRepo and #94 among Rust projects.
What license is wasmtime distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
