Tessl CLI lets you install, publish, and manage plugins and skills from the
Tessl registry, run evals against your code, and integrate Tessl with your
agentic coding workflow.
Publisher’s description
What is Tessl CLI?
Tessl CLI by Tessl is proprietary Windows software in the ides & code editors category.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 64-bit and ARM64 Windows. The main installer is 64.9 MB. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 0.118.0, released on October 23, 2026. The version history goes back to June 17, 2026: 36 releases, all linked to the official files. The last update is less than a month old.
Pros / Cons
Pros
- Native ARM64 build for Windows on Arm
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
Cons
- Proprietary licence: check the terms and price
In short: Tessl CLI is an ides & code editor tool for 64-bit and ARM64 PCs. Administrators can deploy it unattended.
Is Tessl CLI safe to download?
- The file is served by install.tessl.io, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
224453AD652CCE4803763682FAC48B8D776FDB4BEB44F06D06137A50E3ACDB93· Open the VirusTotal report for this hash - The link answered when we last checked it (October 26, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 36 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.118.0Latest | October 23, 2026 | 64.9 MB | ARM64 EXE (Inno Setup)64-bit EXE (Inno Setup) |
| 0.117.0 | October 21, 2026 | 57.0 MB | ARM64 EXE (Inno Setup)64-bit EXE (Inno Setup) |
| 0.116.0 | October 16, 2026 | — | ARM64 EXE (Inno Setup)64-bit EXE (Inno Setup) |
| 0.115.0 | October 14, 2026 | — | 64-bit EXE (Inno Setup)ARM64 EXE (Inno Setup) |
| 0.114.0 | October 9, 2026 | — | ARM64 EXE (Inno Setup)64-bit EXE (Inno Setup) |
| 0.113.0 | October 1, 2026 | — | 64-bit EXE (Inno Setup)ARM64 EXE (Inno Setup) |
| 0.112.0 | September 29, 2026 | — | 64-bit EXE (Inno Setup)ARM64 EXE (Inno Setup) |
| 0.111.0 | September 24, 2026 | — | 64-bit EXE (Inno Setup)ARM64 EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id tessl.tessl -eTesslSetup-0.118.0-x64.exe /VERYSILENT /NORESTART /SUPPRESSMSGBOXESProgram files (.exe): tessl.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Tessl
- Category
- IDEs & code editors
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64
- Installer
- EXE (Inno Setup)
- Version
- 0.118.0
- Released
- October 23, 2026
- Added to the catalogue
- June 17, 2026
- Versions listed
- 36
- Website
- tessl.io
- winget ID
- tessl.tessl
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Tessl CLI free?
Tessl CLI is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is Tessl CLI safe to download?
The download comes from install.tessl.io, 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 Tessl CLI 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.
Can Tessl CLI be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Tessl CLI run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of Tessl CLI?
The versions page lists all 36 versions with links to their official installer files, back to June 17, 2026.
Can I use Tessl CLI without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Tessl CLI?
OpenCode, Node.js (LTS), Apache NetBeans, RStudio and VSCodium. The alternatives page compares them.
