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, Mathematical Software, Simulation and Simulation Software, Mathematical Modeling, Mechanical Engineering, Numerical Analysis, Simulations, Mechanics, Algorithms, Torque (Physics), Control Systems, Applied Mathematics
★ 4.7 (174) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scikit Learn (Machine Learning Library), Classification Algorithms, Applied Machine Learning, Model Training, Machine Learning Algorithms, Predictive Modeling, Supervised Learning, Random Forest Algorithm, Machine Learning, Unsupervised Learning, Data Analysis
★ 4.5 (20) · Beginner · Guided Project · Less Than 2 Hours

University of Geneva
Skills you'll gain: Health Care Procedure and Regulation, Public Health and Disease Prevention, Public Health, Infectious Diseases, Environment Health And Safety, Health Policy, Infection Control, Health Equity, Epidemiology, Health And Safety Standards, Health Systems, International Relations, Public Safety and National Security, Emergency Response, Health Assessment, Economics, Policy, and Social Studies, Governance
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Instructional Strategies, Education Software and Technology, Mathematics Education, Teaching, Digital pedagogy, Simulations, Diversity Equity and Inclusion Initiatives, Simulation and Simulation Software, Research
★ 4.9 (93) · Beginner · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: LinkedIn, Content Performance Analysis, Campaign Management, Social Media Campaigns, Social Media Marketing, Online Advertising, Social Media, Digital Advertising, Social Media Content, Marketing, B2B Sales, Social Media Management, Professional Networking, Digital Marketing Campaigns, Advertising Campaigns, Social Media Strategy, Business Marketing, Marketing Analytics, Video Production, Social Media Analytics
★ 4.4 (103) · Beginner · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Social Studies, World History, European History, Social Sciences, Sociology, International Relations, Social Justice, Socioeconomics, Social Impact, Political Sciences, Culture, Cultural Diversity, Economics
★ 4.8 (324) · Beginner · Course · 1 - 3 Months

Carnegie Mellon University
Skills you'll gain: Chemical Engineering, Engineering, Process Engineering, Applied Mathematics, Materials science, Biological Engineering, Chemistry, Biochemistry, Engineering Analysis, Physics, Molecular, Cellular, and Microbiology, Mathematical Modeling, Physical Science, Probability Distribution
★ 3.9 (52) · Intermediate · Course · 1 - 3 Months

Siemens
Skills you'll gain: Computer-Aided Design, Drafting and Engineering Design, Design Software, Data Import/Export, Engineering Drawings, Assembly Drawing, Mechanical Drawings, Technical Drawing, 3D Modeling, 3D Assets
★ 4.7 (79) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Computer Vision, Convolutional Neural Networks, Image Analysis, Transfer Learning, Model Training, Fine-tuning, Matlab, Artificial Neural Networks, Deep Learning, Applied Machine Learning, Classification Algorithms, Predictive Modeling, Performance Tuning
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ChatGPT, User Interface (UI), No-Code Development, AI Integrations, LLM Application, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence, Frontend Integration, Quality Assurance
★ 4.4 (23) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Vue.JS, HTML and CSS, Hypertext Markup Language (HTML), Web Applications, JavaScript Frameworks, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Web Components, Web Development, Javascript, Data Persistence
★ 4.2 (45) · Beginner · Course · 1 - 4 Weeks