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Takvim

v1.6.0 is out

A desktop calendar that asks for no account and never goes online. Your data stays on your machine, in a single SQLite file. One executable — no Python install needed.

Download for WindowsSource code

Windows · Python · SQLite · MIT

Takvim week view: a sidebar with a mini month calendar and calendar list, and a weekly grid with colour-coded events.
Week view — multiple calendars, colour-coded, keyboard navigable.

As much as a calendar should.

  • Day, week, month

    Three views, switched from the keyboard. Click an empty hour and an event opens.

  • Recurring events

    Set up a series; deleting or moving a single instance does not break the rest.

  • Tasks

    A to-do list. Give a task a time and it becomes a block on the calendar; skip the time and it stays on that day’s list.

  • Multiple calendars

    Class, Personal, Work — each with its own colour and visibility toggle.

  • Reminders

    Desktop notifications. The app runs in its own window, not in a browser tab.

  • .ics import and export

    Bring your events over from another calendar, or take your data out any time.

  • Backups

    Automatic backup on every launch; if the data file gets damaged, Takvim offers to go back to the latest healthy backup. The data lives on your machine.

  • Turkish / English interface

    Settings → Language. The whole interface switches, including day/month names and notifications.

Technical summary.

Version
v1.6.0
Platform
Windows (single .exe)
Licence
MIT — open source
Stack
Python · WebView2 · SQLite
Data
Local SQLite file, offline
Price
Free

What we deliberately left out.

A project without an out-of-scope list is a project with infinite scope. Keeping this list short is a decision — quietly growing it is not.

  • Server and accounts
  • Multi-device sync
  • Attendees / invites / RSVP
  • Mobile app
  • CalDAV

From the devlog

All entries

Installing

The app is not distributed with a signed certificate, so Windows may show a SmartScreen warning on first launch. The code is fully open — you can read exactly what it does before downloading. Since v1.4.1 every release is built on GitHub: you can confirm the file you downloaded was built from this code with its SHA256 checksum and GitHub attestation. The steps to get past the warning and to verify the file are in the readme.

Install, verify and source code →