6 Free Udemy Courses to Learn JS, SQL, and More


Technology is evolving at a rapid speed today, allowing for faster change and advancement, driving the rate of change in the IT business to accelerate. It evolves every 2 to 3 years, thus it is critical for a technology professional to stay alert in order to advance quickly up the career ladder.

The majority of occupations are linked to cutting-edge technologies. There are several ways to learn new technologies, such as books, online courses, and certifications. Udemy is one of the leading names when it comes to online learning via courses and certifications. This blog will discuss some of the most popular Udemy courses that you can take for free.

6 Popular Free Udemy Courses

1. Build your first React JS Application

Rating – 4.5

Technologies Covered – JavaScript and React

In this course, you’ll develop a mobile-first web application that covers subjects like npx create-react-app, JavaScript customizable CSS, animated components, react-router, HTTP requests using Axios, and creating your own custom hooks for React.

Beginner ReactJS developers, JavaScript developers, anyone interested in modern JavaScript solutions, anyone interested in SPA design, and developers who want to learn how to construct responsive web applications can benefit from this course.

2. Introduction to Python Programming

Rating – 4.4

Technologies Covered – Python

Machine learning is a popular topic in the IT world. However, unless you know how to program, you won’t be able to employ machine learning. With this free guide, you can learn the fundamentals. Python is one of the most used programming languages in the world for ML.

It is also versatile because it can be used to create desktop and online programs if you don’t want to get into machine learning. The Introduction to Python Programming course covers the fundamentals and does not require any prior knowledge of programming.

3. Introduction to Data Science using Python

Rating – 4.4

Technologies Covered – Data science and Python

Statistical methods are used in data science to extract patterns from large volumes of data. Intelligent algorithms are designed to learn more about the environment around us, hence it overlaps with artificial intelligence and machine learning.

Python, R, Hadoop, and SQL will be required if you wish to work as a data scientist. Begin with this introductory course (the first in a series) to pique your interest. The course is for anyone interested in learning data science from the ground up, switching or starting a career in data science and analytics, or simply being inquisitive about what data science is and what a data scientist does on a daily basis.

4. Introduction to Databases and SQL Querying

Rating – 4.5

Technologies Covered – SQL

The Structured Query Language (SQL) is the language used to communicate with databases. Instead of relying on the IT department, you may track your own data and create your own reports with SQL. It can also be used in Microsoft Excel.

This is a free introduction to databases and SQL querying. It’s a basic introduction to SQL queries and how to extract data from a database. It is an excellent introduction to SQL for someone unfamiliar with the language.

This course is designed for people who have never worked with databases before. The course will familiarize you with SQL syntax and expose you to database concepts. You would not require any prior programming experience.

5. Vue.js Fast Crash Course

Rating – 4.4

Technologies Covered – JavaScript and Vue

Vue.js, or Vue, is among the most popular Javascript frameworks. It has gained a lot of traction, notably among the Laravel community. Many aspects of larger frameworks like Angular, React, and Ember has been taken and improved by Vue. You can be up and running in 3 minutes with Vue.

We can easily develop single-file applications by linking to a local Vue script, using a CDN, or simply using Vue’s wonderful CLI. Vue makes it a lot easier to play with the DOM and create wonderful functions in our app with less code, thus we no longer need to rely on jQuery to develop very cool capabilities.

Learning to use this Javascript framework is crucial because developers are always looking for quick, adaptable, and simple solutions.

6. Git & GitHub Crash Course: Create a Repository From Scratch!

Rating – 4.6

Technologies Covered – Git and GitHub

This course is ideal for web developers who want to learn Git and GitHub as their next step in expanding their skills. You’ll learn how to build a repository, copy it to your PC, add files to it, and push changes to GitHub, and other Git and GitHub basics.

With this free Udemy course, you’ll also learn terms like cloning, staging, committing, pushing, and diff that developers use. You’ll also discover why Git is so popular and how it works. And we’ll be using GitHub, which is the brand name for the Git service.

You’ll also learn how to do all of this using the command line because you’ll need it to deploy code on a server.


Udemy has become one of the leading online learning platforms that cover almost all types of IT technologies. It has thousands of courses targeting different technologies available at nominal fees.

Therefore, if you want to learn a technology via a course or tutorial, you need to check out Udemy as it has several options available. We hope that you find our list of the best free Udemy courses helpful.

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