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 Colorado Boulder
Skills you'll gain: Instructional Strategies, Teaching, Education Software and Technology, Design Reviews, Mathematics Education, Pedagogy, Simulations, Digital pedagogy, Simulation and Simulation Software, Prompt Patterns, Curriculum Planning, Interactive Design, Web Content Accessibility Guidelines, User Feedback, Experimentation, Research, Peer Review, Design Strategies, Physics, Chemistry
★ 4.9 (153) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, File I/O, Automation, Digital Signal Processing, Anomaly Detection, Spatial Data Analysis, Geospatial Information and Technology, Engineering Practices, Medical Imaging, Spatial Analysis, Mathematical Software, Data Preprocessing, Quantitative Research, Algorithms, File Management, Data Store
★ 4.7 (257) · Beginner · Specialization · 1 - 3 Months

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
★ 4.8 (134) · Beginner · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Content, Social Media Strategy, Social Media Management, Social Media Analytics, Social Media Campaigns, Content Marketing, Instagram, Digital Media Strategy, Digital Advertising, Facebook, Digital Marketing, Paid media, Content Creation, Content Strategy, Earned Media, Customer Engagement
★ 4.4 (119) · Beginner · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Robotics, Mathematical Modeling, Mathematical Software, Applied Mathematics, Mechanics, Simulation and Simulation Software, Engineering, Virtual Environment, Torque (Physics), Numerical Analysis
★ 4.9 (298) · Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Correlation Analysis, Regression Analysis, Data Analysis, R Programming, Descriptive Statistics, Descriptive Analytics, Statistical Modeling, R (Software), Exploratory Data Analysis, Model Evaluation, Statistical Analysis, Statistical Methods, Probability & Statistics, Biostatistics, Predictive Modeling, Model Training, Data Manipulation, Data Import/Export
★ 4.8 (530) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Oral Comprehension, English Language, Language Learning
★ 4.9 (202) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Generative AI, AI powered creativity, AI literacy, Microsoft Office, Artificial Intelligence and Machine Learning (AI/ML), Productivity Software, AI Integrations
★ 4.5 (152) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Image Analysis, Model Evaluation, Model Training, Deep Learning, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Supervised Learning, Machine Learning Algorithms, Transfer Learning, Anomaly Detection, Geospatial Information and Technology, Traffic Flow Optimization, Algorithms
★ 4.6 (97) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Social Media Marketing, Brand Marketing, Brand Awareness, Digital Brand Strategy, Digital Marketing Tools, Branding, Social Media Management, Digital Marketing, Brand Strategy, Marketing Design, Marketing, Web Presence, Brand Management, Marketing Materials, Web Design and Development
★ 4.6 (376) · Beginner · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Mechanics, General Science and Research, Physical Science, Systems Of Measurement, Mathematical Modeling, Applied Mathematics, Scientific Visualization
★ 4.6 (172) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Memory Management, Operating Systems, C (Programming Language), C and C++, Performance Tuning, System Programming, System Software, Unix, Hardware Architecture
★ 4.7 (66) · Advanced · Course · 1 - 3 Months