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.

Coursera
Skills you'll gain: Education Software and Technology, User Accounts
★ 4.8 (80) · Beginner · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Microarchitecture, Computer Architecture, Memory Management, Hardware Architecture, Computer Engineering, Systems Architecture, Distributed Computing, Performance Tuning
★ 4.7 (3.9K) · Advanced · Course · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Microsoft Office
★ 4.4 (557) · Intermediate · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: English Language, Language Competency, Vocabulary, Writing, Business Writing, Oral Expression, Interviewing Skills, Language Learning, Verbal Communication Skills, Business Correspondence, Concision, Social Skills, Professional Networking, Rapport Building, Communication, Professionalism, Recruitment
★ 4.8 (17K) · Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Prompt Engineering, Excel Formulas, Microsoft Copilot, Microsoft Excel, Data Visualization, Data Analysis, Data Entry, Data Analysis Software, Microsoft Office, Spreadsheet Software, Data Manipulation, User Interface (UI)
★ 4.3 (448) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Education Software and Technology, Virtual Environment, Teaching, Collaborative Software, Data Sharing, Google Workspace
★ 4.8 (239) · Beginner · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Computer Programming, Java Programming, Java
★ 4.9 (2.1K) · Intermediate · Course · 3 - 6 Months

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Design, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Code Reusability, Other Programming Languages, Java Programming, Java, Program Development, Computational Thinking, Computer Science, Algorithms, Theoretical Computer Science, Animations
★ 4.7 (1.4K) · Beginner · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Trial Preparation, Court Systems, Legal Proceedings, International Relations, Legal Strategy, Diplomacy, Law, Regulation, and Compliance, Public Safety and National Security, World History, Case Studies
★ 4.8 (4K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Marketing Strategies, Strategic Marketing, Digital Marketing Tools, Target Market, Sales Strategy, Marketing Planning, Marketing, Marketing Effectiveness, Target Audience, Business Marketing, Sales Process, Sales, Marketing Strategy and Techniques, Marketing Analytics, Sales Development, Brand Strategy, Brand Marketing, Digital Marketing, Branding, Market Research
★ 4.6 (1.4K) · Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Writing, English Language, Literacy
★ 4.7 (20K) · Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: File I/O, Matlab, Programming Principles, Functional Design, Computer Programming, Code Reusability, Program Development, Computational Logic, Computer Science, Data Import/Export, Mathematical Software, C (Programming Language), Debugging, Computer Programming Tools, File Management, Data Structures, Data Persistence, Plot (Graphics), Problem Solving
★ 4.8 (18K) · Beginner · Course · 1 - 3 Months