Store your calendar as a directory of ICS files and sync it with Google Calendar, iCloud, Outlook, CalDAV and webcal feeds.
Publisher’s description
What is caldir?
caldir by t4t5 is open-source Windows software in the cloud storage & sync category. It is written in Rust.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Popularity and file types
The source code on GitHub (t4t5/caldir) has 77 stars. Similar programs include Syncthing, AWS Command Line Interface and Rclone.
Project description on GitHub: “your calendar as a directory”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Updated in the last two months
Cons
- No native ARM64 build
In short: caldir is an open-source cloud storage & sync tool for 64-bit PCs.
Is caldir 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:
EF05AD4F6D77734DB40A5F259D19E687D8DAB9707E435F0FA91BEAD2B128CC57· 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 |
|---|---|---|---|
| 0.13.0Latest | September 4, 2026 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id t4t5.caldir -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- t4t5
- Category
- Cloud storage & sync
- Licence
- MIT
- Price
- Free
- Source code
- github.com/t4t5/caldir
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 0.13.0
- Released
- September 4, 2026
- Added to the catalogue
- October 1, 2026
- Versions listed
- 1
- GitHub stars
- 77
- GitHub forks
- 13
- Website
- caldir.org
- winget ID
- t4t5.caldir
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is caldir free?
Yes. caldir is open-source software under the MIT licence.
Is caldir 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 caldir 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 caldir run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use caldir without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to caldir?
Syncthing, AWS Command Line Interface, Rclone, Dropbox and heroku. The alternatives page compares them.
