# Librus Desktop Addons

> This addon calculates your percentage attendance, allows manipulating your grades and displays their average in Librus Synergia class register.

Canonical page: [https://chrome-stats.com/d/librus-desktop-addons](https://chrome-stats.com/d/librus-desktop-addons)

## Overview

- **ID:** `librus-desktop-addons`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** kubaska
- **Category:** appearance
- **Daily users:** 43
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.5.0
- **Last updated:** 2021-10-16
- **First published:** 2018-10-09
- **Size:** 30 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/librus-desktop-addons/)
- **Website:** [https://github.com/kubaska/librus-desktop-addons](https://github.com/kubaska/librus-desktop-addons)

## Description

Librus Desktop Addons is a Firefox add-on dedicated to Librus Synergia users. It allows users to calculate their percentage attendance, manipulate their grades, and displays their average in the Librus Synergia class register. The add-on also provides features such as displaying grades average and the ability to add or edit grades locally. It does not collect any user data.

## Rankings

- #17,481 — Overall
- #57 — register
- #134 — desktop
- #153 — x data
- #169 — date
- #235 — student

## Permissions and access

### Permissions

- `*://*.librus.pl/*`
- `webRequest`
- `storage`

### Content script matches

- `synergia.librus.pl`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows the extension to observe and analyze traffic in flight for the selected hosts.
- This extension has low user count. Unpopular extensions may not be stable or safe.

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

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Source: [Chrome-Stats](https://chrome-stats.com/d/librus-desktop-addons)