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 Washington
Skills you'll gain: Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Data Storytelling, Data Visualization Software, Data Sharing, Data Governance, Big Data, Technical Communication, Graphic and Visual Design, Cloud Computing, Amazon Web Services, Information Privacy, Ethical Standards And Conduct
★ 3.4 (142) · Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Apache Hive, Database Management, SQL, Database Management Systems, Big Data, Database Systems, Amazon Web Services, Databases, Data Management, Amazon S3, Apache Hadoop, Data Storage, Query Languages, Data Storage Technologies, Cloud Storage, Extract, Transform, Load, Data Import/Export, Performance Tuning, File Systems, File Management
★ 4.7 (299) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
★ 4.2 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Education Software and Technology, Google Workspace, Digital pedagogy
★ 4.8 (242) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Microsoft Azure, Internet Of Things, Cloud Services, Network Routing, Data Store, Data Storage, Cloud Solutions, Data Storage Technologies
★ 4.5 (20) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Sustainable Systems, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Community Development, Climate Change Programs, Land Development, Social Impact, Sustainable Design, Social Justice, Environmental Regulations, Stormwater Management, Environmental Policy, Environmental Issue, Water Sustainability, Policy Analysis, Sustainable Technologies, Climate Change Mitigation
★ 5 (20) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Video Editing, TikTok, Storytelling, Timelines, Visual Storytelling, Content Creation, Multimedia, Post-Production, Animations, Video Production, Color Matching, Editing, Typography
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Student Engagement, Interactive Learning, Digital pedagogy, Instructional Strategies, Education Software and Technology, Pedagogy, User Accounts, Teaching, Barcoding, Account Management, Analysis
★ 4.8 (41) · Beginner · Guided Project · Less Than 2 Hours
MathWorks
Skills you'll gain: Plot (Graphics), Scripting, Matlab, Data Manipulation, Mathematical Modeling, Data Analysis, Data Visualization, Statistical Methods, Data Visualization Software, Descriptive Statistics, Interactive Data Visualization, Data Access, Data Presentation, File I/O, Exploratory Data Analysis, Data Mapping, Data Cleansing, File Management, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Theory, Databases, Database Design, Database Software, Spreadsheet Software, Collaborative Software, Issue Tracking, Database Application, Collaboration, Cloud Computing
★ 4.2 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Statistical Inference, Probability Distribution, R Programming, Statistical Visualization, R (Software), Statistical Methods, Probability & Statistics, Statistics, Statistical Analysis, Plot (Graphics), Statistical Modeling, Statistical Hypothesis Testing, Data Analysis, Probability
★ 4.8 (37) · Beginner · Guided Project · Less Than 2 Hours