Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

University of Copenhagen
Skills you'll gain: European History, Immigration Law, Political Sciences, Cultural Diversity, Social Justice, Policy Analysis, International Relations, Case Law, Social Sciences, Public Policies, Advocacy, Law, Regulation, and Compliance, Governance
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Building Information Modeling, Construction Management, Construction, Autodesk Revit, Construction Estimating, Facility Management and Maintenance, Emerging Technologies, As-Built Drawings, Facility Management, Collaborative Software, Cloud Computing, Cost Estimation, 3D Modeling, Document Management, Data Sharing, Visualization (Computer Graphics), Internet Of Things
★ 4.7 (34) · Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
★ 4.4 (90) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Proposal Development, Innovation, Market Opportunities, Entrepreneurship, Business Modeling, New Business Development, Entrepreneurial Finance, Corporate Finance, Overcoming Objections, New Product Development, Strategic Thinking, Business Strategy, Ideation, Value Propositions
★ 4.8 (133) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Programming Principles, Computer Programming, Data Structures, File Systems, File Management, Data Store, Computer Science
★ 4.6 (45) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Package and Software Management, YAML, Configuration Management, System Configuration, Linux Administration, Unix, IT Automation, Automation, Web Applications, Unix Shell, Code Reusability, File Management, Cloud Infrastructure, DevOps, User Accounts
★ 4 (29) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mechanics, Torque (Physics), Control Systems, Engineering Analysis, Differential Equations, Mathematical Modeling, Engineering, Applied Mathematics, Physics, Calculus
★ 4.8 (134) · Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Electronics Engineering, Electrical Engineering, 3D Modeling, Electronics, Electronic Components, Simulation and Simulation Software, Simulations, Design Software, Design Specifications, Digital Signal Processing, Verification And Validation, Open Source Technology, Data Import/Export
★ 5 (35) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Virtual Machines, Cloud Hosting, Cloud Infrastructure, Scalability, Verification And Validation, Cloud Deployment, Capacity Management, Application Deployment
★ 4.6 (57) · Intermediate · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
★ 3.9 (16) · Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Image Analysis, Computer Vision, Matlab, Anomaly Detection, Geospatial Information and Technology, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Algorithms
★ 4.6 (60) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Software Versioning, Web Language, Application Deployment, Cloud Storage, Web Applications, Web Design and Development, Cloud Deployment, Serverless Computing, Public Cloud, Web Presence
★ 4.5 (84) · Beginner · Guided Project · Less Than 2 Hours