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.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, grep, Biostatistics, R (Software), Exploratory Data Analysis, Statistical Analysis, Unix Shell, Unix, Data Science, Data Management, Statistical Methods, Information Management, Command-Line Interface, Statistical Hypothesis Testing, Data Structures, Big Data, Molecular Biology, R Programming, Python Programming
★ 4.5 (6.8K) · Intermediate · Specialization · 3 - 6 Months

Atlassian
Skills you'll gain: Jira (Software), Agile Methodology, Scrum (Software Development), Kanban Principles, Agile Software Development, Agile Project Management, Lean Methodologies, Backlogs, Agile Product Development, Project Management Software, Sprint Planning, User Story, Workflow Management, Project Management, Issue Tracking, Configuration Management, Query Languages, Software Versioning, Continuous Improvement Process, User Accounts
★ 4.7 (9.7K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Analytics, Data Visualization, Business Analytics, Data Analysis, Interactive Data Visualization, Microsoft PowerPoint, Data Presentation, Presentations, Excel Formulas, Data-Driven Decision-Making, Dashboard, Data Storytelling, Dashboard Creation, Microsoft Excel, Customer Analysis, Data Visualization Software, Big Data, Target Market, Oral Expression, Data Cleansing
★ 4.6 (11K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Adobe Express, Content Scheduling, Marketing Strategies, Personalized Campaigns, Data-Driven Marketing, Promotional Strategies, Marketing Planning, Social Media Content, Digital Marketing Campaigns, Responsible AI, Digital Marketing, Cross-Channel Marketing, Logo Design, Generative AI, Campaign Management, Social Media Marketing, Graphic Design, Content Strategy, Advertising, Market Research
★ 4.7 (3.3K) · Beginner · Professional Certificate · 3 - 6 Months

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
★ 4.7 (3K) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Big Data, Apache Hadoop, Scalability, Data Processing, Data Science, Distributed Computing, Unstructured Data, Data Infrastructure, Data Analysis, Data Quality, File Systems
★ 4.6 (11K) · Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Research, Energy and Utilities, Vocabulary, Learning Strategies, Climate Change Mitigation, Literacy, English Language, Environment, Sustainable Technologies, Environmental Issue, Language Learning, Scientific Methods, Environmental Science, Grammar
★ 4.8 (2.9K) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: File I/O, Data Import/Export, Python Programming, Programming Principles, Data Structures
★ 4.8 (5.4K) · Beginner · Course · 1 - 3 Months

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
★ 4.7 (1.3K) · Intermediate · 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
★ 4.7 (1.6K) · Mixed · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Business Writing, Writing and Editing, Personal Development, Job Analysis, Constructive Feedback, Keyword Research, Peer Review
★ 4.5 (3.9K) · Mixed · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Analytical Skills, Correlation Analysis, Science and Research, Regression Analysis, Sampling (Statistics), Statistical Hypothesis Testing, Data Literacy, Data Analysis, R Programming, Descriptive Analytics, Descriptive Statistics, Statistical Software, Statistical Modeling, Biostatistics, Model Evaluation, Exploratory Data Analysis, Statistical Analysis, Statistical Programming, R (Software)
★ 4.7 (2.1K) · Beginner · Specialization · 3 - 6 Months