Open Source implementation of GOG Galaxy Communication Service for SDK bundled with GOG games.
Publisher’s description
What is Comet?
Comet by Paweł Lidwin is open-source Windows software in the languages & sdks category. It is written in Rust.
Installation and requirements
The publisher provides Portable installers for 64-bit and ARM64 Windows. It runs without installation (portable).
Updates and version history
The current version is 0.3.2, released on January 4, 2026. The version history goes back to March 19, 2025: 3 releases, all linked to the official files.
Popularity and file types
The source code on GitHub (imLinguin/comet) has 372 stars. Similar programs include Go Programming Language, LLVM and Deno.
Project description on GitHub: “Open Source implementation of GOG Galaxy Communication Service for SDK bundled with GOG games.”
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: Comet is an open-source languages & sdk tool for 64-bit and ARM64 PCs.
Is Comet 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:
181F9A3644EABBDF396037DE135583E92CF4A08029BE30C9EE4E2479FF11AE8C· 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 3 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.3.2Latest | January 4, 2026 | — | ARM64 Portable64-bit Portable |
| 0.3.1 | July 21, 2025 | — | 64-bit PortableARM64 Portable |
| 0.3.0 | March 19, 2025 | — | ARM64 Portable64-bit Portable |
Install from the command line
Silent install ›winget install --id imLinguin.comet -eProgram files (.exe): comet.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Paweł Lidwin
- Category
- Languages & SDKs
- Licence
- Apache-2.0
- Price
- Free
- Source code
- github.com/imLinguin/comet
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64
- Installer
- Portable
- Version
- 0.3.2
- Released
- January 4, 2026
- Added to the catalogue
- May 6, 2025
- Versions listed
- 3
- GitHub stars
- 372
- GitHub forks
- 20
- Website
- github.com
- winget ID
- imLinguin.comet
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Comet free?
Yes. Comet is open-source software under the Apache-2.0 licence.
Is Comet 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 Comet 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 Comet run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of Comet?
The versions page lists all 3 versions with links to their official installer files, back to March 19, 2025.
Can I use Comet without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to Comet?
Go Programming Language, LLVM, Deno, CMake and Yarn. The alternatives page compares them.
