# Calendar

> A lightweight calendar addon for Firefox.

Canonical page: [https://chrome-stats.com/d/simple-calendar-sl](https://chrome-stats.com/d/simple-calendar-sl)

## Overview

- **ID:** `simple-calendar-sl`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Faruzan
- **Category:** appearance
- **Daily users:** 12
- **Weekly downloads:** 2
- **Version:** 1.0
- **Last updated:** 2025-07-26
- **First published:** 2025-07-23
- **Size:** 16 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/simple-calendar-sl/)
- **Website:** [https://okwin.horse/](https://okwin.horse/)

## Description

A lightweight calendar addon for Firefox.

## Rankings

- #31,062 — Overall
- #2 — calendar

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Simple Calendar](https://chrome-stats.com/d/sl-calendar) — 9 users
- [Lite Calendar](https://chrome-stats.com/d/lite-calendar)
- [Calendar](https://chrome-stats.com/d/calendar-sp) — 132 users
- [Simple Calendar](https://chrome-stats.com/d/simple-calendar-hehe) — 111 users, 2.00 / 5
- [Simple Calendar](https://chrome-stats.com/d/simple-calendar-ntp) — 5 users
- [Calendar Sync AI](https://chrome-stats.com/d/calendar-sync-ai) — 2 users
- [Simple Clock](https://chrome-stats.com/d/simple-clock-at) — 2 users
- [Simple Calculator](https://chrome-stats.com/d/simple-calculator-v2)
- [Timer Addon](https://chrome-stats.com/d/timer-addon) — 1 users
- [Simple Timer Addon](https://chrome-stats.com/d/simple-timer-addon) — 2 users
- [Google Calendar Sidebar](https://chrome-stats.com/d/google-calendar-sidebar) — 11 users
- [Google Calendar UD V2](https://chrome-stats.com/d/google-calendar-ud-v2) — 2 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/simple-calendar-sl)