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 California, Irvine
Skills you'll gain: Systems Thinking, Materials science, Quantum computing, Biology, Science and Research, Scientific Methods, Mathematical Modeling, Physics, Applied Mathematics, Neurology, Cell Biology
★ 4.4 (168) · Mixed · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Simulation and Simulation Software, Control Systems, Model Based Systems Engineering, Simulations, Mathematical Modeling, Engineering Analysis, Data Import/Export, Systems Engineering, Model Optimization
★ 4.8 (60) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Product Lifecycle Management, Quality Assurance and Control, Product Quality (QA/QC), Quality Assurance, Product Planning, Product Management, Release Management, Sales Strategy, New Product Development, Quality Monitoring, Performance Analysis, Product Development, Technical Product Management, Promotional Strategies, Performance Measurement, Responsible AI, Marketing Planning, Product Improvement, Product Marketing
★ 4.5 (57) · Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Cryptographic Protocols, Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Data Security
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Memory Management, Embedded Software, Microarchitecture, Embedded Systems, System Programming, Secure Coding, System Configuration, Digital Signal Processing, Security Controls, Computer Architecture, Hardware Architecture, Authentications
★ 4.8 (23) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Microsoft Excel, Data Visualization Software, Data Import/Export, Business Reporting, Microsoft Office, Microsoft 365, Productivity Software
★ 4.5 (69) · Beginner · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Mechanics, Physics, Mechanical Engineering, Calculus, Physical Science, Problem Solving
★ 4.5 (45) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: OS Process Management, Operating Systems, System Programming, Performance Tuning, Data Structures, Event-Driven Programming, Data Access
★ 4.4 (36) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Assembly Drawing, Finite Element Methods, Mechanical Design, Drafting and Engineering Design, 3D Modeling, Computer-Aided Design, Technical Design, 3D Assets, Design Software, Computer Graphic Techniques, Visualization (Computer Graphics), Engineering Software, Simulations
★ 4.4 (46) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Storyboarding, Storytelling, Canva (Software), Visual Storytelling, Graphical Tools, Animations, Graphic Design, Design and Product, Business, Marketing
★ 4.6 (207) · Intermediate · Guided Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Image Analysis, Computer Vision, Matlab, Anomaly Detection, Geospatial Information and Technology, Machine Learning Methods, Algorithms
★ 4.6 (58) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Lead Generation, Email Marketing, Driving engagement, Digital Advertising, Marketing Automation, Digital Marketing Campaigns
★ 4.6 (68) · Beginner · Guided Project · Less Than 2 Hours