Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

LearnKartS
Skills you'll gain: Jenkins, CI/CD, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Apache Maven, Docker (Software), Continuous Deployment, Continuous Delivery, Build Tools, Configuration Management, Software Configuration Management, Application Lifecycle Management, Shell Script, Application Deployment, Continuous Monitoring, Software Development, Software Installation, User Accounts
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Natural Language Processing, Microsoft Azure, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Analytics, Automation, Application Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Structures, Plot (Graphics), Data-oriented programming, Programming Principles, Python Programming, Data Storage
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Import/Export, Data Analysis, Data Visualization, Programming Principles, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Indian School of Business
Skills you'll gain: Portfolio Management, Investment Management, Performance Analysis, Market Dynamics, Text Mining, Technical Analysis, Risk Management, Financial Regulation, Compliance Management, Benchmarking
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Web Content Accessibility Guidelines, Education Software and Technology, Educational Materials, Learning Management Systems, Digital pedagogy, Community Development, Adult Education, Instructional Design, Motivational Skills, Relationship Building, Technology Strategies, Professional Development, Collaboration, Cultural Responsiveness, Constructive Feedback, Communication
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: NoSQL, Control Systems, Apache Hadoop, Apache Hive, Big Data, Simulation and Simulation Software, Mechanical Design, Database Systems, Artificial Intelligence, Mechanical Engineering, Computer Vision, Laboratory Experience, Databases, Systems Architecture, Distributed Computing, Simulations, Global Positioning Systems, Business Intelligence, Robotics, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Logistic Regression, Predictive Modeling, Predictive Analytics, SAS (Software), Statistical Modeling, Regression Analysis, Model Evaluation, Statistical Analysis, Data Analysis, Model Deployment, Statistical Methods
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Front-End Web Development, Web Design, Prototyping, Web Development, Hypertext Markup Language (HTML), Design, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Computer Systems, C (Programming Language), System Programming, Computer Programming, Computer Architecture, Operating Systems, Hardware Architecture, Data Structures, Computer Hardware, Systems Architecture, Program Development
Mixed · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Model View Controller, Unified Modeling Language, Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Java, Software Design, Computer Programming, Debugging, Programming Principles, Software Testing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Graphing, Numerical Analysis, Python Programming, Advanced Mathematics, Mathematical Software, Mathematical Modeling, Derivatives, Programming Principles
Intermediate · Course · 1 - 3 Months