Clarinet is a Clarity runtime packaged as a command line tool, designed to facilitate smart contract understanding, development, testing and deployment. Clarinet consists of a Clarity REPL and a testing harness, which, when used together allow you to rapidly develop and test a Clarity smart contract, with the need to deploy the contract to a local devnet or testnet.
Publisher’s description
What is clarinet?
clarinet by Hiro Systems is open-source Windows software in the terminals & cli tools category. It is written in Rust.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Updates and version history
The current version is 3.23.2, released on August 26, 2026. The version history goes back to July 16, 2021: 89 releases, all linked to the official files. That is about 17 releases a year.
Popularity and file types
The source code on GitHub (stx-labs/clarinet) has 352 stars. Similar programs include PowerShell, QPDF and Oh My Posh.
Project description on GitHub: “Write, test and deploy high-quality smart contracts to the Stacks blockchain and Bitcoin.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Frequent updates (about 17 a year)
Cons
- No native ARM64 build
In short: clarinet is an open-source terminals & cli tool tool for 64-bit PCs. It is actively maintained.
Is clarinet 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:
1CB9EE0B54E7F0A208B9F7E2160D6671C092F423B301A0EB619DE4B48F075C58· 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 89 versions ›89 versions over 5 years · about 17 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.23.2Latest | August 26, 2026 | — | 64-bit ZIP |
| 3.23.1 | July 31, 2026 | — | 64-bit ZIP |
| 3.15.1 | March 19, 2026 | — | 64-bit ZIP |
| 3.8.1 | October 10, 2025 | — | 64-bit MSI |
| 3.8.0 | October 9, 2025 | — | 64-bit MSI |
| 3.7.0 | September 23, 2025 | — | 64-bit MSI |
| 3.4.0 | July 31, 2025 | — | 64-bit MSI |
| 3.3.0 | July 9, 2025 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id HiroSystems.Clarinet -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Hiro Systems
- Category
- Terminals & CLI tools
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/stx-labs/clarinet
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 3.23.2
- Released
- August 26, 2026
- Added to the catalogue
- July 16, 2021
- Versions listed
- 89
- Updates / year
- 17.4
- GitHub stars
- 352
- GitHub forks
- 188
- Website
- github.com
- winget ID
- HiroSystems.Clarinet
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is clarinet free?
Yes. clarinet is open-source software under the GPL-3.0 licence.
Is clarinet 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 clarinet 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 clarinet run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of clarinet?
The versions page lists all 89 versions with links to their official installer files, back to July 16, 2021.
Can I use clarinet without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to clarinet?
PowerShell, QPDF, Oh My Posh, fzf and yq. The alternatives page compares them.
