Chiri is a cross-platform CalDAV task management app for organizing tasks and to-dos across devices. It syncs with CalDAV servers like Fastmail, Nextcloud, Radicale and Baikal, so your tasks stay up to date on Windows, macOS, and Linux.
What's new in 1.0.0
New
Added a list of third-party licenses in the "About" settings subtab.
Added a "working days" scheduling option. You can choose your working days, and Chiri will calculate the next matching day when scheduling tasks.
Added an option to display a badge for the app icon, which displays the amount of overdue tasks.
Added an option to export CalDAV accounts as a .mobileconfig file.
Added an option to manage dates for a task in the task batch actions bar.
Added an option to wrap task titles onto multiple lines.
Added brief descriptions for server types explaining their purpose and aim.
Added categorized predefined filters for dates, statuses, priorities, and organization. Some presets also provide task-creation defaults.
Added diagnostics reports and log exports to the Data & diagnostics settings.
Added Disroot Cloud as a managed CalDAV server type. Supports logging in via browser, as well as manual credentials as login methods.
Added more sort options for accounts, calendars, and tags in the sidebar.
Added Mozilla Autopush as a WebDAV Push provider, along with provider availability checks, diagnostics, and configurable VAPID enforcement.
Added network settings for connectivity probes, request timeouts, and system, HTTP, SOCKS, or disabled proxy modes, plus a more informative offline banner.
Added options for configurable progress increments, and for choosing what happens when an "In Process" task is checked off.
Added previews for task-item badges in settings.
Added Recently Deleted safety controls and batch actions, including configurable retention, automatic cleanup, optional move-to-Recently Deleted confirmation, and parent/subtask deletion behavior.
Added reset-to-default controls for badge and editor settings.
Added search to the keyboard shortcuts settings.
Added Stalwart as a self-hosted CalDAV server type. Supports OAuth, as well as manual credentials as login methods.
Added status as a task sort option.
Added the ability for dragging in the collapsed view of the sidebar.
Added the ability to choose a saved filter as the default view when Chiri launches.
Added the ability to enable, disable, and reorder notification actions, with multiple configurable snooze durations and duration units.
Added the ability to group tasks.
Added the ability to move completed tasks to the bottom.
Added the release date for an update release to the changelog modal's header description. …
Added experimental support for AppImage builds on Linux.
These may not work correctly on all distributions, so please consider reporting any issues you encounter.
Minor
The ability to register system keyboard shortcuts that are reserved by macOS and Windows is now disabled to prevent any conflicts.
HTTP / HTTPS schemas are now enforced for server URLs.
The reset tooltip in the Keyboard shortcuts settings now appears at the top.
When adding a Fastmail account, the ability to dismiss the modal during the connection process is now disabled.
Fixes
Fixed light text appearing when using the light theme in the onboarding process.
Fixed an overflow text issue for connection alerts in the account modal.
Fixed an issue where accounts without calendars would be listed in the task defaults settings.
Fixed an issue where the principal URL for new accounts was not being saved if one was provided.
Fixed missing descriptions for the Region & time step in the onboarding process.
Frequently asked questions
Is Chiri free?
Yes. Chiri is free and open-source software released under the Zlib license.
What is the latest version of Chiri?
The latest version is 1.0.0, released on Aug 13, 2026.
Is it safe to download Chiri?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with ed767a37a86d1299a24cd6869336138507f2a84393e7b6495b4d7678e744c9d7.
Which Windows versions does Chiri support?
Chiri requires Windows 10 version 1809 or later and is available for 64-bit (x64), ARM64 systems.
How do I install Chiri silently?
Run the offline installer with "Chiri_1.0.0_x64-setup.exe" /S, or install it with Windows Package Manager: winget install --id=SapphicAngels.Chiri -e --silent.
How do I uninstall Chiri?
Open Settings › Apps › Installed apps, find Chiri and select Uninstall. From the command line, run winget uninstall --id=SapphicAngels.Chiri -e.
Alternatives to Chiri
Other Project Management programs for Windows from different developers.