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.

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Control Systems, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering, Mechanics, Mechanical Engineering, Applied Mathematics, Numerical Analysis, Simulations, Process Control, Virtual Environment, Torque (Physics), Graph Theory, Matlab, Algorithms, Engineering Calculations, Physics
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Swift Programming, Memory Management, Apple iOS, iOS Development, Apple Xcode, Code Reusability, Mobile Development, Cross Platform Development, Functional Design, Maintainability, Object Oriented Programming (OOP)
Advanced · Course · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language, Language Learning, Language Competency
Intermediate · Course · 1 - 4 Weeks

Atlassian
Skills you'll gain: Git (Version Control System), Version Control, GitHub, Bitbucket, Software Versioning, Software Configuration Management, Continuous Integration, Command-Line Interface, Collaborative Software
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Writing, Writing and Editing, Literacy, Style Guides
Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Marketing Budgets, Blogs, Social Media Analytics, Social Media Marketing, Integrated Marketing Communications, Social Media, Peer Review, Social Media Management, Key Performance Indicators (KPIs), Social Media Strategy, Social Media Campaigns, Business Marketing, Real Time Data, Marketing Effectiveness, Content Marketing, Strategic Marketing, Driving engagement, Analytics, Digital Marketing, ChatGPT
Beginner · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Motion Arguments, Legal Strategy, Legal Writing, Court Systems, Learning Strategies, Civil Procedures, Policy Analysis, Economics
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: English Language, Grammar, Oral Comprehension, Oral-Motor Skills, Language Competency, Language Learning
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Claude Code, Anthropic Claude, Multimodal Prompts, Prompt Engineering, Prompt Patterns, Generative AI Agents, AI Orchestration, Context Engineering, Code Reusability, AI Workflows, Software Development, Generative AI, Software Quality Assurance, Software Development Life Cycle, Automation, Artificial Intelligence, Software Architecture, Software Testing, Software Design, Software Development Methodologies
Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media Analytics, Real Time Data, Social Media Content, Data Collection, Social Media, Social Media Marketing, Big Data, Marketing Analytics, Crisis Management, Data-Driven Marketing, Analytics, Social Media Strategy, Content Strategy, Text Mining, Data-Driven Decision-Making
Mixed · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Peer Review, Writing and Editing, Editing, Storytelling
Mixed · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Consumer Behaviour, Market Dynamics, Financial Market, Financial Systems, Economics, Financial Policy, Economic Development, Tax, Economics, Policy, and Social Studies, General Finance, Public Administration, Public Policies, Environment and Resource Management, Social Studies, Social Sciences, Socioeconomics, Sustainable Development, Supply And Demand, Behavioral Economics, Governance
Beginner · Course · 1 - 3 Months