# WebAssembly Micro Runtime

> lightweight, standalone, interpreter-based WebAssembly runtime

**Wikidata**: [Q123167983](https://www.wikidata.org/wiki/Q123167983)  
**Source**: https://4ort.xyz/entity/webassembly-micro-runtime

## Summary
WebAssembly Micro Runtime (WAMR) is a lightweight, standalone interpreter-based runtime for WebAssembly (Wasm). Developed by the Bytecode Alliance, it enables efficient execution of Wasm modules in resource-constrained environments without requiring a full Wasm runtime. Its standalone design makes it ideal for embedded systems and edge computing.

## Key Facts
- **Creator**: Developed by the Bytecode Alliance.
- **License**: Apache License 2.0 with LLVM Exceptions.
- **Type**: Software (non-tangible executable component of a computer).
- **Programming Language**: Primarily written in C (Q15777).
- **Source Code**: Hosted on GitHub at [https://github.com/bytecodealliance/wasm-micro-runtime](https://github.com/bytecodealliance/wasm-micro-runtime).
- **Copyright Status**: Copyrighted.
- **Repository Details**: Uses Git (Q186055) and GitHub (Q364) for version control.
- **Description**: A lightweight, standalone, interpreter-based WebAssembly runtime.

## FAQs
### Q: What is WebAssembly Micro Runtime used for?
A: WAMR is designed for executing WebAssembly modules in resource-constrained environments, such as embedded systems and edge devices, where a full Wasm runtime is impractical.

### Q: Who developed WebAssembly Micro Runtime?
A: The WebAssembly Micro Runtime was created by the Bytecode Alliance, an organization focused on advancing WebAssembly technology.

### Q: Is WebAssembly Micro Runtime open-source?
A: Yes, WAMR is open-source and licensed under the Apache License 2.0 with LLVM Exceptions, allowing for broad use and modification.

### Q: What programming language is WebAssembly Micro Runtime written in?
A: The primary programming language used for WAMR is C (Q15777).

### Q: Where can I find the source code for WebAssembly Micro Runtime?
A: The source code is available on GitHub at [https://github.com/bytecodealliance/wasm-micro-runtime](https://github.com/bytecodealliance/wasm-micro-runtime).

## Why It Matters
WebAssembly Micro Runtime addresses the need for efficient WebAssembly execution in environments with limited resources. Unlike traditional Wasm runtimes, which may require significant overhead, WAMR provides a lightweight, standalone solution. This makes it particularly valuable for embedded systems, IoT devices, and edge computing scenarios where performance and resource efficiency are critical. By enabling Wasm execution in constrained environments, WAMR expands the reach of WebAssembly beyond traditional web browsers and servers, fostering innovation in edge computing and beyond.

## Notable For
- **Lightweight Design**: Optimized for resource-constrained environments, making it suitable for embedded systems and edge devices.
- **Standalone Operation**: Does not rely on a full Wasm runtime, reducing dependencies and improving portability.
- **Interpreter-Based**: Uses an interpreter approach for executing Wasm modules, ensuring compatibility and ease of deployment.
- **Open-Source**: Licensed under Apache 2.0 with LLVM Exceptions, promoting community contributions and adoption.
- **Bytecode Alliance Development**: Created by the Bytecode Alliance, a key organization in the WebAssembly ecosystem.

## Body
### Overview
WebAssembly Micro Runtime (WAMR) is a lightweight, standalone interpreter-based runtime for WebAssembly (Wasm). It was developed by the Bytecode Alliance to enable efficient execution of Wasm modules in resource-constrained environments.

### Development and Licensing
- **Creator**: The Bytecode Alliance, an organization focused on advancing WebAssembly technology.
- **License**: Apache License 2.0 with LLVM Exceptions, as of 2023-10-24.
- **Source Code**: Hosted on GitHub, using Git and GitHub for version control.

### Technical Specifications
- **Programming Language**: Primarily written in C (Q15777).
- **Repository URL**: [https://github.com/bytecodealliance/wasm-micro-runtime](https://github.com/bytecodealliance/wasm-micro-runtime).
- **Copyright Status**: Copyrighted.

### Use Cases
- **Embedded Systems**: Ideal for devices with limited resources.
- **Edge Computing**: Enables Wasm execution in edge environments.
- **IoT Devices**: Suitable for Internet of Things applications.

### Distinctive Features
- **Standalone Runtime**: Operates independently without requiring a full Wasm runtime.
- **Interpreter-Based**: Uses an interpreter approach for executing Wasm modules.
- **Lightweight Design**: Optimized for resource-constrained environments.

## References

1. [Source](https://api.github.com/repos/bytecodealliance/wasm-micro-runtime)
2. [Source](https://github.com/bytecodealliance/wasm-micro-runtime/blob/main/LICENSE)