Some paid courses are free in udemy (most of python related courses)

Reverse Engineering, Debugging and Malware Analysis – 2021

Learn Reverse Engineering, Debugging and Malware Analysis Fundamentals by lots of Practical Examples Reverse Engineering
https://www.udemy.com/course/reverse-engineerin...

Alteryx Masterclass for Data Analytics, ETL and Reporting

Alteryx bootcamp for Analytics Automation and ETL. Perform data analysis & create reports using Alteryx Designer
https://www.udemy.com/course/alteryx-masterclas...

Digital Forensics – Complete Digital Forensics Masterclass

Most comprehensive Digital Forensics Course, Learn Computer Forensics, Mobile Forensics, Autopsy, FTK Imager, Caine OS
https://www.udemy.com/course/digital-forensics-...

Agile Kanban: Kanban for Software Development Teams

Learn the Kanban way of Agile Project Management | Prepare for Kanban Certification | Kanban for Software Development
https://www.udemy.com/course/agile-kanban/?coup...

AWS Services for Solutions Architect Associate ²⁰²¹

The best guide for various AWS certifications such as AWS Solutions Architect, AWS SysOps and AWS Developer Associates
https://www.udemy.com/course/aws-services-for-s...

DevOps Fundamentals

The simplest course to learn the fundamentals of DevOps right from scratch
https://www.udemy.com/course/devops-fundamental...

Python Complete Course For Python Beginners

Python Complete Course For Python Beginners.Learn Python From Beginner To Advanced Level
https://www.udemy.com/course/python-complete-co...

SDET/QA Masterclass – Learn Selenium, Cucumber and More

Become an SDET by learning about Selenium, Cucumber, Junit, Docker and other technologies!
https://www.udemy.com/course/automation-testing...

Python And Flask Framework Complete Course For Beginners

Beginner to Expert Python And Flask.Start from the basics and go all the way to creating your own applications and games
https://www.udemy.com/course/python-for-beginne...

Docker Course for Beginners

Dive into the world of Docker and learn about Dockerfiles and Container Management
https://www.udemy.com/course/docker-container-c...

Complete Course in Autodesk 3ds Max 2021
A Master Course

https://www.udemy.com/course/complete-course-in...

Mastering The Interview

To present yourself well in the interview and to make a good impression, you should master the job interview.
https://www.udemy.com/course/mastering-the-inte...

Content Marketing: Grow Your Business with Content Marketing

Learn how to use modern content marketing to grow your business and brand! Come up with your own Content Marketing plan!
https://www.udemy.com/course/content-marketing-...

Art for Beginners & Kids: 8 Drawing & Mixed-Media Projects

The Perfect Class to Learn Drawing, Painting, Watercolor, Pastel and Mixed Media Art Skills for Kids & Beginners.
https://www.udemy.com/course/beginner-art-class...

Python Programming – From Basics to Advanced level ²⁰²¹

This Python for beginners course will help you to become Zero to Hero. Learn Python Programming in Easy Way.
https://www.udemy.com/course/python-programming...

Microsoft Excel Master Class – 2021

Excel Formulas & Functions, Advance Excel Analytics, Case Studies, BI Dashboards, Charts, Macros & Practice Exercises
https://www.udemy.com/course/microsoft-excel-ma...