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 Cape Town
Skills you'll gain: Climate Change Mitigation, Sustainable Development, Policty Analysis, Research, and Development, Economic Development, Environmental Policy, Environmental Issue, Mitigation, Policy Development, Policy Analysis, Socioeconomics, Mathematical Modeling, Systems Thinking, Research, Innovation, Discussion Facilitation
★ 4.7 (596) · Intermediate · Course · 1 - 3 Months

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

The University of Edinburgh
Skills you'll gain: Sustainable Development, Cooperation, Discussion Facilitation, Collaboration, Environmental Issue, Community Development, Creative Thinking, Climate Change Programs, Cultural Responsiveness, Community Outreach, Climate Change Adaptation, Environmental Policy, Advocacy, Climate Change Mitigation, Education and Training, Diplomacy, Coordination
★ 4.6 (45) · Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Oral Expression, Concision, Verbal Communication Skills, Public Speaking, Media and Communications, Interviewing Skills, Public Relations, Communication, Research, Communication Strategies, Discussion Facilitation, Interpersonal Communications, Rapport Building, General Networking
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Problem Solving, Critical Thinking and Problem Solving, Creativity, Creative Problem-Solving, Human Factors, Creative Thinking, Decision Making, Human Learning, Complex Problem Solving, Human Computer Interaction, Mental Concentration, Human Machine Interfaces, Learning Theory, Usability, Memory Management, Human Centered Design
★ 4.9 (10) · Intermediate · Course · 1 - 3 Months

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 (173) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Field-Programmable Gate Array (FPGA), Computational Logic, Computer Architecture, Hardware Design, Hardware Architecture, Memory Management, Electronics, Electronic Systems, Electronic Components, Diagram Design, Data Storage, Data Storage Technologies, Algorithms
★ 4.5 (131) · Intermediate · Course · 1 - 4 Weeks

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

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

Northwestern University
Skills you'll gain: Robotics, Control Systems, Mechanics, Mechanical Engineering, Mathematical Modeling, Torque (Physics), Engineering Calculations, Applied Mathematics, Linear Algebra, Graphical Tools, Estimation
★ 4.7 (104) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Configuration Management, Git (Version Control System), Version Control, Memory Management, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Program Development, Code Review, Software Technical Review, Software Design, Make.com
★ 4.5 (652) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Debugging, Data Structures, System Programming, Microarchitecture, C (Programming Language), Memory Management, Hardware Architecture, Computer Architecture, Software Design, Maintainability, System Configuration, Code Reusability, Software Architecture, Peripheral Devices
★ 4.5 (531) · Intermediate · Course · 1 - 4 Weeks