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.

Skills you'll gain: File I/O, Computer Programming, Programming Principles, Data Import/Export, Data Structures, Python Programming, Computer Science, Data Storage
★ 4.4 (93) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistical Programming, R (Software), Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Probability & Statistics, Statistical Modeling, Statistical Methods, Descriptive Analytics, Tidyverse (R Package), Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Wrangling
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Java, Teaching, Programming Principles, Program Development, Computer Programming, Digital pedagogy, Education Software and Technology
★ 4.9 (39) · Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Model Based Systems Engineering, Systems Integration, Simulation and Simulation Software, Robotics, Mathematical Modeling, Simulations, Engineering Software, Engineering, Electronic Systems, Mechanical Engineering, Control Systems
★ 4.8 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Logistic Regression, Data Preprocessing, Applied Machine Learning, Data Import/Export, Data Mining, Python Programming, Data Access, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Classification Algorithms, Machine Learning, Supervised Learning
★ 4.2 (57) · Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Simulations, Simulation and Simulation Software, Education Software and Technology, Mathematics Education, Teaching, Ideation, Digital pedagogy, Experimentation
★ 5 (44) · Intermediate · Course · 1 - 3 Months

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

University of Maryland, College Park
Skills you'll gain: Innovation, Internal Auditing, Corporate Strategy, Overcoming Objections, Organizational Strategy, Organizational Structure, Organizational Change, Business Strategies, Entrepreneurship, Culture Transformation, Business Planning, Auditing, New Business Development, Audit Planning, Growth Strategies
★ 4.2 (30) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: File Systems, Operating Systems, File Management, Computer Programming Tools, Data Integrity, Debugging, File I/O, C and C++, Systems Design, Data Maintenance, Data Storage Technologies, System Software, Distributed Computing, Data Storage, C (Programming Language), System Programming, Computer Systems, Data Persistence, Command-Line Interface, Data Security
★ 4.7 (76) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Design Elements And Principles, Graphic and Visual Design, Content Creation, Graphical Tools, Creative Design, Graphics Software, Graphic and Visual Design Software, Design, Graphic Design
★ 4.7 (15) · 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