Top 10 Free Courses by HCL GUVI: Best Upskilling Courses in Tech [2026]

Does waking up to the news of mass layoffs every morning make you anxious about your future too? As a college student, does the dry placement season scare you? If yes, then no matter where you stand in your life, you need to start making yourself indispensable.

So, if you’re a student, working professional, or fresher in the job market, if you want to start feeling secure in this era of replaceable employees, you MUST start upskilling now. And no, it’s not going to burn a hole in your pocket. You can start upskilling for FREE through HCL GUVI’s amazing and worthwhile free tech courses!

This blog will be a goldmine for you if you wish to upskill for free. We’ll tell you about some of the top free courses by HCL GUVI. We’ll tell you about their key learnings and the necessary features, which will help you choose the best tech upskilling course for you, that too in your desired language! So, let’s get started.

Quick Answer: HCL GUVI offers a growing library of free tech courses in 2026 covering Python, ChatGPT, JavaScript, Java, Data Engineering, Generative AI, C Programming, SQL, HTML and CSS, and more. All courses are self-paced, beginner-friendly, and come with globally recognized certifications from institutions like IIT-M, IIM-A, and NSDC Skill India. They are the best zero-cost starting point for anyone looking to break into tech or upskill for a better career.

Top 5 Free Courses by HCL GUVI

You’re well aware of the importance of upskilling in the tech world. We are going to tell you about some of the top tech courses in the market which will equip you with the most essential and in-demand skills, which will be substantiated with globally recognized certifications. The best part is that you can learn at your own pace! Here are the top free HCL GUVI Courses:

1. Python with IIT Certification

The “Python with IIT Certification” course offered by HCL GUVI is an exceptional opportunity for learners to delve into the world of Python programming. This course is designed to cater to a wide range of learners, from complete beginners to those seeking to enhance their existing skills in Python. It’s a self-paced, online course, making it convenient for learners to progress at their speed.

Available In

English, Hindi, Tamil, Telugu, Odiya, Marathi, Kannada, Gujarati, Malayalam, Spanish, Arabic

Key Learnings

This course will offer a solid foundation in Python to the learners, covering aspects from basic syntax to advanced features. The course is structured into modules ranging from beginner to expert levels. Key learnings include:

• Creating and manipulating data structures like lists, tuples, and dictionaries.
• Writing conditional statements and loops for task automation and problem-solving.
• Debugging Python code effectively.
• Utilizing external libraries and APIs to expand Python’s capabilities.
• Handling various file formats for data input and output.
• Developing reusable code through functions, enhancing code readability and maintenance.

Also Find Out Top 10 Reasons Why Python is Super Popular

Why Learn this Course?

Ideal for anyone interested in programming or career advancement in IT, this course offers:

• Gaining industry-relevant Python skills.
• Earning an IIT-incubated certification enhances your professional profile.
• Opening career opportunities in data analysis, software development, and more.
• Flexible, self-paced learning suitable to balance other commitments.
• Easy learning through beginner-friendly, yet comprehensive curriculum to provide a deep understanding of Python.

Ratings: 4.45 Ratings/5

Duration: 7 Hours

2. ChatGPT for Everyone

“ChatGPT for Everyone” is a course designed to introduce learners to the groundbreaking world of ChatGPT, an AI language model revolutionizing the way we interact with technology. This a self-paced, beginner-friendly course that offers an official certification from NSDC (Skill India), making it a lucrative course that adds value to your resume.

Available in: English, Bengali

What Will You Learn

The course covers several key areas essential for understanding and working with ChatGPT:

• Fundamental concepts of NLP and language modeling.
• The architecture and functioning of ChatGPT.
• Techniques for processing and analyzing text data, including tokenization and named entity recognition.
• Training ChatGPT on custom datasets and prompts.
• Generating human-like responses using ChatGPT.
• Practical skills for writing code to interact with the ChatGPT API and integrating it into various projects.

Explore Everything You Should Know About ChatGPT & Why It Matters?

Why Learn this Course?

Ideal for AI beginners and those seeking to apply ChatGPT in real-world scenarios, this course offers

• Gaining cutting-edge AI knowledge, particularly in language processing.
• Acquiring practical NLP and AI skills, valuable in tech industries.
• Learning to customize and apply ChatGPT in various projects.
• Earning a free, globally recognized certification.

Rating: 4.52/5

Duration: 1.5 Hours

Looking to move beyond basic ChatGPT skills? Here’s your chance to be a part of Be part of the Bharat AI Initiative, a nationwide movement by HCL GUVI, in association with OpenAI, built to help India’s youth develop advanced ChatGPT skills absolutely free! Learn structured prompting, refine responses with clarity, and apply ChatGPT more effectively in projects, assignments, and everyday work. Learn in English, Hindi, Marathi, Tamil, or Telugu and start your free AI journey!

Join the Movement

3. Introduction to Data Engineering and Big Data

The “Introduction to Data Engineering and Big Data” course offered by HCL GUVI is a comprehensive program designed to equip learners with the essential skills required in the field of Data Engineering. The course is structured into easy-to-understand modules, making it suitable for learners at different levels of expertise. It also comes with a globally recognized certification from an IIT-M and IIM-A incubated company.

Available in: English

What Will You Learn?

Participants in this course will gain a deep understanding of several key aspects of Data Engineering, including:

• Fundamental concepts and components of the data pipeline.
• Techniques for gathering data from multiple sources and transforming it into analytics-ready formats.
• Knowledge of storing data using various methods like relational and non-relational databases, data warehouses, data marts, data lakes, and big data stores.
• Skills to design and construct data pipelines tailored for data scientists and analysts.
• Understanding of Big Data problems and developing solutions for them.
• Insights into the security, governance, and compliance aspects of data.

Also Read | Scope of Data Engineering in India

Why Learn this Course?

Ideal for aspiring data engineers, data science professionals, and anyone interested in data systems, this course offers:

• Career advancement in the rapidly growing field of Data Engineering.
• Industry-relevant skills, especially in Big Data.
• Proficiency in applying practical knowledge in real-world scenarios.
• Enhance professional credibility with a recognized certification.

Rating: 4.5/5

Duration: 7 Hours

Looking to move beyond basic ChatGPT skills? Here’s your chance to be a part of Be part of the Bharat AI Initiative, a nationwide movement by HCL GUVI, in association with OpenAI, built to help India’s youth develop advanced ChatGPT skills absolutely free! Learn structured prompting, refine responses with clarity, and apply ChatGPT more effectively in projects, assignments, and everyday work. Learn in English, Hindi, Marathi, Tamil, or Telugu and start your free AI journey!

Join the Movement

4. JavaScript Beginners Course with Official Skill India Certification

HCL GUVI’s “JavaScript Beginners Course” is a free online program designed to teach core programming concepts using JavaScript. It’s an ideal self-paced course for beginners which comes with a precious Skill India certification, perfect for those looking to upskill to expert level in web development.

Available in: English

What Will You Learn?

In this JavaScript course, you’ll learn in detail about:

1. Core JavaScript fundamentals.
2. Professional JavaScript coding techniques.
3. Building interactive web pages and applications.
4. Up-to-date knowledge of ES6 JavaScript concepts.
5. Mastery of advanced JavaScript topics like Hoisting, Function Expressions, and Classes.
6. Skills to tackle JavaScript coding interviews.
7. Real-world project experience for portfolio development.

Find Out Best 5 Reasons to learn JavaScript in regional languages

Why Learn this Course?

Ideal for beginners, professionals, students, or hobbyists looking to learn the basics of web development through JavaScript, this course offers:

• Gain essential JavaScript knowledge for web development.
• In-depth knowledge of JavaScript, which is vital for modern web applications.
• Opportunities in various development roles.
• A globally recognized certification from NSDC (Skill India)

Rating: 4.33/5

Duration: 13 Hours

Worried about your career? Start with one skill that opens doors everywhere.
Explore our free Python Handbook from HCL GUVI Learn Hub and start learning the most in-demand programming language step-by-step. It’s beginner-friendly, practical, and the perfect starting point for anyone serious about upskilling.

5. Java Beginners Course with Official Skill India Certification

HCL GUVI’s Java Beginners Course is an ideal start for learning Java programming, offering a path from beginner to expert. This self-paced, online course provides quality guidance and a prestigious certificate, perfect for upskilling in Java.

Available in: English

What Will You Learn?

In this Java course, you’ll gain in-depth knowledge about:

1. Fundamental Java programming concepts and core principles.
2. Object-oriented programming (OOP) using Java.
3. Java Server Pages (JSP), Servlets, and MySQL integration.
4. Best coding practices and professional development techniques.
5. Building scalable software applications.
6. Real-world project experience for practical application.
7. Preparation for Java programming interviews.

Learn How to Become a Java Developer?

Why Learn this Course?

Ideal for students, freshers, or professionals looking to gain advanced JAVA skills to venture into the software development domain, this course offers:

• Expertise in Java for building scalable applications.
• Quality learning from industry experts with a practical, real-world focus.
• A globally recognized National Skill Development Corporation (Skill India) Certification.
• Enhancement to your resume and the ability to stand out in developer roles.
• Access to hands-on projects for a robust learning experience.

Rating: 5/5

Duration: 4 Hours

6. Generative AI Course with Official HCL GUVI Certification

The “Generative AI” course by HCL GUVI is one of the most relevant free courses you can take in 2026. As Generative AI reshapes every industry from software development and design to marketing and education, understanding how it works and how to apply it is no longer optional for tech professionals. This self-paced course introduces you to the concepts, tools, and real-world use cases of Generative AI, making it ideal for anyone who wants to stay ahead of the curve.

Available in: English, Tamil, Telugu, Hindi

What Will You Learn?

This course takes you through the fundamentals and practical applications of Generative AI:

• Core concepts behind Generative AI and how large language models work
• Differences between discriminative and generative models
• Prompt engineering fundamentals to get better outputs from AI tools
• Real-world applications of Generative AI in text, image, code, and audio generation
• Using popular tools like ChatGPT, Gemini, and Midjourney effectively
• Ethical considerations and responsible use of AI-generated content
• How to integrate Generative AI capabilities into day-to-day workflows

Why Learn this Course?

Ideal for students, working professionals, entrepreneurs, and anyone curious about how AI is changing the world, this course offers:

• A solid foundation in the technology that is defining careers in 2026
• Practical knowledge that applies directly to roles in software, marketing, content, and data
• Globally recognized certification to strengthen your resume
• Self-paced learning available in your preferred regional language
• A gateway to exploring advanced AI and machine learning skills

Rating: 4.5/5

Duration: 4 Hours

7. C Programming Beginners Course with Official Skill India Certification

C Programming remains one of the most foundational skills in computer science, and it continues to be tested in technical interviews, competitive coding rounds, and college exams across India. HCL GUVI’s C Programming course is built for beginners and takes you from zero knowledge to writing real programs with confidence. It is self-paced, available in regional languages, and comes with a certification that adds weight to any tech resume.

Available in: English, Tamil

What Will You Learn?

This course covers all the essentials of C programming from the ground up:

• Understanding the structure of a C program and writing your first code
• Data types, variables, operators, and expressions
• Control structures including if-else, loops, and switch statements
• Functions, recursion, and modular programming
• Arrays, strings, pointers, and memory management
• File handling and working with structures and unions
• Debugging techniques and best practices for writing clean C code

Why Learn this Course?

Ideal for engineering students, freshers preparing for technical interviews, and anyone looking to build a strong programming foundation, this course offers:

• Mastery of a language that underpins operating systems, embedded systems, and device drivers
• Strong conceptual clarity that makes learning any other language faster and easier
• Directly relevant for college placements, GATE exam preparation, and coding interviews
• Globally recognized certification to validate your foundational skills
• Self-paced learning that fits around your college schedule or work hours

Rating: 4.4/5

Duration: 5 Hours

8. SQL for Beginners with Official Skill India Certification

SQL is the backbone of every database-driven application, and it consistently ranks among the most requested skills in job descriptions for data analysts, backend developers, QA engineers, and business intelligence professionals. HCL GUVI’s SQL course is designed to take complete beginners from understanding what a database is to writing powerful queries that solve real business problems.

Available in: English

What Will You Learn?

This course walks you through SQL from the basics to practical, real-world usage:

• Introduction to relational databases and how SQL fits in
• Writing SELECT, INSERT, UPDATE, and DELETE statements
• Filtering and sorting data with WHERE, ORDER BY, and GROUP BY clauses
• Using JOINs to combine data from multiple tables
• Aggregate functions like COUNT, SUM, AVG, MIN, and MAX
• Subqueries and nested queries for complex data retrieval
• Introduction to database design and normalization principles

Why Learn this Course?

Ideal for data enthusiasts, aspiring data analysts, backend developers, and professionals working with databases, this course offers:

• A skill that is directly applicable from day one in any data or development role
• Foundation knowledge required before learning tools like Power BI, Tableau, or advanced Python data libraries
• Certification that stands out in data analyst and software developer job applications
• Practical exercises that mirror the kind of queries you will write on the job
• Free access with lifetime course availability

Rating: 4.4/5

Duration: 6 Hours

9. HTML and CSS for Beginners with Official Skill India Certification

Every website you have ever visited was built on HTML and CSS. If you have any interest in web development, UI/UX design, or frontend development, this is the absolute first course you need to take. HCL GUVI’s HTML and CSS Beginners course is a hands-on, self-paced course that teaches you how to build and style web pages from scratch, with no prior experience required.

Available in: English

What Will You Learn?

This course gives you a solid foundation in the building blocks of every website:

• HTML document structure, tags, attributes, and elements
• Creating headings, paragraphs, links, images, lists, and tables
• HTML5 semantic elements like header, footer, section, and article
• CSS selectors, properties, and the box model
• Styling text, colors, backgrounds, and borders with CSS
• Flexbox and CSS Grid for responsive layout design
• Building and deploying a simple personal webpage as your first project

Why Learn this Course?

Ideal for aspiring web developers, students, entrepreneurs building their first website, and anyone who wants to understand how the web actually works, this course offers:

• The foundational knowledge required before learning JavaScript, React, or any frontend framework
• Hands-on practice building real web pages from scratch
• Globally recognized certification to kickstart your web development career
• Free lifetime access to all course content
• A clean introduction to the web that is easy to understand even with zero tech background

Rating: 4.3/5

Duration: 5 Hours

10. Generative AI Applications and Python Fundamentals with Official HCL GUVI Certification

This course by HCL GUVI is specifically designed for learners who want to combine two of the most in-demand skills of 2026 in a single learning path. It bridges Python programming basics with practical Generative AI application development, giving you both the technical foundation and the AI application layer in one course. If you are looking to build AI-powered tools, automate workflows, or apply for roles that require both Python and AI knowledge, this is the course that does it all.

Available in: English

What Will You Learn?

This course covers both Python fundamentals and Generative AI application development:

• Python basics including variables, data types, functions, and control flow
• Working with Python libraries for data handling and automation
• Introduction to Large Language Models (LLMs) and how they work
• Using the OpenAI API to build Generative AI applications
• Prompt engineering techniques for building reliable AI outputs
• Building a simple AI-powered chatbot or content generator using Python
• How to deploy and share AI applications built with Python

Why Learn this Course?

Ideal for students, freshers, and career-switchers who want to enter AI development or land roles in AI-powered companies, this course offers:

• A dual-skill advantage combining Python and Generative AI in one course
• Hands-on project experience building real AI tools with Python
• Certification that directly aligns with what hiring managers in AI companies are looking for in 2026
• Free access to one of the most practical and career-relevant courses on the platform
• A strong stepping stone toward advanced AI, machine learning, and LLM engineering roles

Rating: 4.5/5

Duration: 6 Hours

These are the top free courses offered by HCL GUVI, an IIT-M and IIM-A incubated company, that offers top-quality tech courses for free in vernacular languages. They are beginner-friendly and easy to learn. You can easily learn a new skill within a few hours!

HCL GUVI has a vast library of free courses across various domains. Additionally, HCL GUVI also offers advanced upskilling through their premium courses that are available at minimal cost, so that everybody gets equal access to quality tech education.

Conclusion

To be honest, it’s a good thing you’re living in the era of technological advancement. You can find a plethora of free courses in the tech domain to upskill yourself at zero cost. So, begin your journey with HCL GUVI’s FREE tech courses and start upskilling and adding more skills to your resume.

Break out of the chain of uncertainty and keep upskilling. Learn the basics, then move to more advanced knowledge. Finally, do a professional course that will allow you to work on real projects and break into a new, better, and high-paying career in your desired domain.

Find Out Why is HCL GUVI the #1 Best Online Personalized Learning Platform?

FAQs

1. Which is the best free course offered by HCL GUVI?

Python with IIT-M certification is HCL GUVI’s best free course which teaches Python from scratch. It’s a self-paced course taught by industry experts. It’s available across eight Indian vernacular languages. Learners can also obtain an IIT-M certification upon completion of the course.*

2. Why choose HCL GUVI’s free courses?

HCL GUVI is an IIT-M and IIM-A incubated company that is an industry leader in providing high-quality tech education in vernacular languages. HCL GUVI’s free courses come with globally recognized certificates from top institutions like IIT-Madras.
These free courses are the best choice for beginners, students, freshers, or professionals looking to gain a new skill at their own pace, without spending anything.

3. Are HCL GUVI courses good?

HCL GUVI courses are the best choice for anyone looking to upskill while learning in their mother tongue and gain a valuable certification to advance their career in the tech domain. They have received great reviews from their learners across the web. Trusted by IIT-M and IIM-A, HCL GUVI courses are the go-to option for various learners looking to start their tech journey at a low cost.

4. Can I upskill for free?

Yes, there are many online courses available for free across the internet, which can help you get a quality upskilling experience and gain invaluable certifications as well. You can also refer to various websites, YouTube videos, and tech communities to further upskill for free.

5. Where should I buy free courses from?

You can take free courses from HCL GUVI. Just find your desired course from their vast library of supreme courses that are available for free.