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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, GIS Software, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, Geostatistics, Interactive Data Visualization, Data Integration, Data Mapping, Augmented Reality, Statistical Analysis, Sampling (Statistics)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Employee Surveys, Employee Engagement, User Feedback, Performance Measurement, Microsoft 365, Performance Analysis, Business Research, Customer experience improvement, Customer Insights, Analysis, Customer Analysis, Market Research, User Research, Business Strategy
★ 4.4 (25) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Blogs, Content Marketing, Content Creation, HubSpot CRM, Marketing Strategies, Conversion Funnel Analysis, Marketing Automation, Customer Engagement, Digital Marketing Tools, Email Marketing, Marketing Effectiveness, AI Integrations, Artificial Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
★ 3.6 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Intellectual Property, Case Studies, Legal Risk, Law, Regulation, and Compliance, Asset Protection, Case Law, Legal Strategy, Branding, Lawsuits, Legal Proceedings, Market Dynamics, Litigation and Civil Justice, Emerging Technologies, Appeals, Music, Technical Standard, Musical Composition
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: ChatGPT, LLM Application, Machine Learning Methods, Model Training, Python Programming, Machine Learning Algorithms, Data Manipulation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Microsoft Visual Studio, Program Development, Object Oriented Programming (OOP), Microsoft Development Tools, .NET Framework, Computer Programming
★ 4.5 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Code Reusability, Java, Computer Programming, Data Validation, Data Integrity, Computer Science
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Marketing Design, Marketing Materials, Promotional Materials, Social Media Content, Organizational Skills, Content Creation, Advertising, Branding, Social Media Marketing, Dashboard, Marketing, Graphic Design, Digital Advertising
★ 4.8 (20) · Intermediate · Guided Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Electrical Systems, Electric Power Systems, Simulation and Simulation Software, Simulations, Mathematical Modeling, Control Systems, Electronic Systems, Electrical Safety, Energy and Utilities, Basic Electrical Systems, Design Specifications, Performance Testing, Matlab, Estimation, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Design, Organizational Structure, Diagram Design, Marketing Collateral, Graphic Design, Presentations, Dashboard, Collaborative Software
★ 4.8 (12) · Intermediate · Guided Project · Less Than 2 Hours