ruscal syncs your local Outlook calendar (read via MAPI) to a Google
Calendar of your choice. Events appear in the Google calendar with the
organiser surfaced in the description, recurring series expanded, and
cancelled occurrences mirrored — so you stop missing meetings on
whatever device your Google calendar is on.
Publisher’s description
What is ruscal?
ruscal is an open-source project management program for Windows from tieo. It is written in Rust.
Installation and requirements
Official installers exist for 64-bit as EXE (Inno Setup). It can be installed for the current user only, without administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 1.2.3, released on June 30, 2026. 2 versions are listed since June 29, 2026, each with links to its own installer files.
Project description on GitHub: “Stops you from forgetting outlook calendar events by clearly showing them in your calendar.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
Cons
- No native ARM64 build
In short: ruscal is an open-source project management tool for 64-bit PCs. Administrators can deploy it unattended.
Is ruscal 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:
5D3575EB3378373D16A5E692C587C36B99347E283A17AD41C81F5CC17EA85488· 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 |
|---|---|---|---|
| 1.2.3Latest | June 30, 2026 | — | 64-bit EXE (Inno Setup) |
| 1.2.1 | June 29, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id tieo.ruscal -eruscal-setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- tieo
- Category
- Project management
- Licence
- MIT
- Price
- Free
- Source code
- github.com/tieo/ruscal
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 1.2.3
- Released
- June 30, 2026
- Added to the catalogue
- June 29, 2026
- Versions listed
- 2
- Website
- github.com
- winget ID
- tieo.ruscal
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is ruscal free?
Yes. ruscal is open-source software under the MIT licence.
Is ruscal 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 ruscal 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 ruscal be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does ruscal 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 ruscal?
The versions page lists all 2 versions with links to their official installer files, back to June 29, 2026.
Can I use ruscal without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to ruscal?
GanttProject, XrmToolBox, Todoist, Cal and t-clock. The alternatives page compares them.
