saturnus emulates the HP 48SX, 48GX, 49G, 38G, 39G, 40G, 42S, 27S, 17BII, 17B, 28S and 19BII from their own ROMs. The command line runs a calculator without a window: it presses keys listed in a text file, saves the screen as text or a PNG, serves the serial port and looks up the built-in commands. No ROM is included.
Publisher’s description
What is saturnus (command line)?
saturnus (command line) is an open-source terminals & cli tool program for Windows from ractive.
Installation and requirements
Official installers exist for 64-bit and ARM64 as Portable. It runs without installation (portable).
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
- Updated in the last two months
In short: saturnus (command line) is an open-source terminals & cli tool tool for 64-bit and ARM64 PCs.
Is saturnus (command line) 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:
B9419BB9B7EC701B560187FFA4BCF9D2BE31523DF054927C3AC629F1F3DD213B· 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.10.2Latest | November 1, 2026 | — | ARM64 ZIP64-bit ZIP |
Install from the command line
Silent install ›winget install --id ractive.saturnus -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- ractive
- Category
- Terminals & CLI tools
- Licence
- MIT
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64
- Installer
- Portable
- Version
- 0.10.2
- Released
- November 1, 2026
- Added to the catalogue
- November 1, 2026
- Versions listed
- 1
- Website
- ractive.ch
- winget ID
- ractive.saturnus
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is saturnus (command line) free?
Yes. saturnus (command line) is open-source software under the MIT licence.
Is saturnus (command line) 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 saturnus (command line) 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 saturnus (command line) run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Can I use saturnus (command line) without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to saturnus (command line)?
PowerShell, QPDF, Oh My Posh, Alacritty and fzf. The alternatives page compares them.
