> For the complete documentation index, see [llms.txt](https://open-source-software-ph.gitbook.io/covid19-tracker-cli/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://open-source-software-ph.gitbook.io/covid19-tracker-cli/master.md).

# Introduction

Welcome to COVID-19 Tracker and CLI official documentation website.

OVID-19 Tracker and CLI is an open-source NodeJS application for command line interface to track COVID-19 cases around the world. An optimized NodeJS application and a simple tracker with real-time updates from reliable data source. It supports terminal for linux and macos, command prompt for windows, and termux for android.

## Features

This simple open-source CLI project offers you the following features.

* Real-time updates.
* Optimized CLI application.
* Fast response time (\~< 100ms).
* Simple layout and easy to understand.
* Quiet mode to focus on information that matters.
* Global tracking with history charts.
* Country tracking with history charts.
* Windows CMD support.
* Plain or basic version available.
* Random health sayings and health notice.
* Local command line version available.
* Active community updates.

## How It Works?

It uses an API and collect the relevant information for your reference.

Data from the following:

* **Worldometer** - <https://www.worldometers.info/coronavirus>
* **Johns Hopkins University** - <https://github.com/CSSEGISandData/COVID-19>
* **New York Times** - <https://github.com/nytimes/covid-19-data>
* **Apple** - <https://github.com/ActiveConclusion/COVID19_mobility>