WebAssembly Micro Runtime distribution with two portable commands:
- wamr — stack-based interpreter that decodes and runs a .wasm binary.
- wamrc — AOT (ahead-of-time) compiler that lowers a .wasm module to native code.
A fork of bytecodealliance/wasm-micro-runtime ported from C to Zig and maintained with AI assistance.
Publisher’s description
What is wamr?
wamr is an open-source languages & sdk program for Windows from cataggar. It is written in Zig.
Installation and requirements
Official installers exist for 64-bit and ARM64 as Portable. It runs without installation (portable).
Updates and version history
The current version is 3.0.0-dev.13, released on June 11, 2026. 2 versions are listed since April 24, 2026, each with links to its own installer files.
Popularity and file types
The source code on GitHub (cataggar/wamr) has 5 stars. Similar programs include Go Programming Language, LLVM and CMake.
Project description on GitHub: “WebAssembly Micro Runtime”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Native ARM64 build for Windows on Arm
- Portable: runs without installation
In short: wamr is an open-source languages & sdk tool for 64-bit and ARM64 PCs.
Is wamr safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
4C2F2530896D044260DB8BDCAA8AB1F43B8917204CAD495A5C09D0C60331760B· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 3.0.0-dev.13Latest | June 11, 2026 | — | ARM64 ZIP64-bit ZIP |
| 3.0.0-dev.8 | April 24, 2026 | — | 64-bit ZIPARM64 ZIP |
Install from the command line
Silent install ›winget install --id cataggar.wamr -eProgram files (.exe): wamr.exe, wamrc.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- cataggar
- Category
- Languages & SDKs
- Licence
- Apache-2.0
- Price
- Free
- Source code
- github.com/cataggar/wamr
- Written in
- Zig
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64
- Installer
- Portable
- Version
- 3.0.0-dev.13
- Released
- June 11, 2026
- Added to the catalogue
- April 27, 2026
- Versions listed
- 2
- GitHub stars
- 5
- Website
- github.com
- winget ID
- cataggar.wamr
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is wamr free?
Yes. wamr is open-source software under the Apache-2.0 licence.
Is wamr safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install wamr with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does wamr run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of wamr?
The versions page lists all 2 versions with links to their official installer files, back to April 24, 2026.
Can I use wamr without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to wamr?
Go Programming Language, LLVM, CMake, Deno and Yarn. The alternatives page compares them.
