Killendar

by Steve the Killerv1.0.0

Last updated Aug 7, 2026

Encrypted calendar for Windows. Install or run portable. GPLv3. No account, no sync, no telemetry.

Install with winget

$ winget install --id SteveTheKiller.Killendar --exact --version 1.0.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

Killendar keeps your appointments in a single file on your own machine, with optional SQLCipher AES-256 encryption at rest once you set a password. Month, week, day and agenda views, color categories, recurring appointments, and iCalendar import and export. Unlocked it is an ordinary SQLite database you can read, back up, or copy to another machine. Runs portable or installs for you or every user - no account, no sync, no telemetry. Open source under GPLv3.

Installers · v1.0.0

Architecture	Type	Scope	Install	Download
x64	Portable	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for Killendar.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install Killendar on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id SteveTheKiller.Killendar --exact --version 1.0.0. winget downloads the installer from Steve the Killer and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install Killendar silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id SteveTheKiller.Killendar --exact 1.0.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall Killendar via winget?

Run: winget uninstall --id SteveTheKiller.Killendar --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Killendar's Apps & Features entry.

Is Killendar free?

Killendar is distributed under GPL-3.0. Refer to the publisher (https://github.com/SteveTheKiller/Killendar) for the full license terms - Wingetly itself does not charge for installation.

Does Killendar work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls Killendar directly from the publisher.

How do I keep Killendar up to date?

Run winget upgrade --id SteveTheKiller.Killendar --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of Killendar from microsoft/winget-pkgs.