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.

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Web Applications, Event-Driven Programming, Debugging
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Architecture and Administration, Database Management, Relational Databases, SQL, Performance Tuning, Data Integrity, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Debugging, Software Testing, Software Development Methodologies, Continuous Integration, Data Mapping, File Management
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Instagram, Canva (Software), Content Performance Analysis, Web Content Accessibility Guidelines, Image Quality, Photography, Social Media Content, Marketing Psychology, Photo Editing, Content Creation, Marketing Design, Social Media Marketing, Graphic and Visual Design, Content Strategy, Driving engagement, Social Media, Productivity, Video Production, Drive Engagement, Creative Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, User Interface and User Experience (UI/UX) Design, Digital Design, Web Design, Motion Graphics, Adobe XD, Graphic and Visual Design, No-Code Development, Graphic Design, Animations, Prototyping, Typography, Layout Design, Visual Design, Design Elements And Principles, Augmented and Virtual Reality (AR/VR), Style Guides, Storytelling, Creative Design, Image Quality
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, R Programming, Data Preprocessing, Statistical Analysis, R (Software), Model Evaluation, Classification And Regression Tree (CART), Statistical Modeling, Logistic Regression, Machine Learning Methods, Random Forest Algorithm, Data Transformation, Predictive Modeling, Exploratory Data Analysis, Feature Engineering, Machine Learning, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Cucumber (Software), Behavior-Driven Development, JSON, Restful API, Application Programming Interface (API), Test Tools, Test Case, JUnit, Security Testing, Test Script Development, Test Data, Test Automation, Apache Maven, Authentications, Development Environment, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Automation, Manufacturing and Production, Manufacturing Processes, Internet Of Things, User Interface (UI), Systems Integration, Scalability, Development Environment, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, 3D Assets, User Interface (UI), User Interface (UI) Design, C# (Programming Language), Animations, Scripting
Advanced · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Integration Testing, Object-Relational Mapping, API Design, ASP.NET, Database Design, Enterprise Architecture, Docker (Software), Database Systems, Systems Integration, Data Validation, Business Logic, Development Environment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Computer Vision, Python Programming, Image Analysis, Real Time Data, Classification Algorithms, Development Environment, Deep Learning, Software Installation, Algorithms
Beginner · Course · 3 - 6 Months

Skills you'll gain: Computer Vision, Image Analysis, PyTorch (Machine Learning Library), Convolutional Neural Networks, Tensorflow, Artificial Intelligence, Transfer Learning, System Configuration, Deep Learning, Real Time Data, Performance Tuning, Model Deployment, Software Installation, Application Deployment
Intermediate · Course · 3 - 6 Months