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.

Duke University
Skills you'll gain: Debugging, File I/O, Memory Management, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Development Testing, Algorithms, Test Planning, Simulations, System Programming, Systems Development Life Cycle, Computer Programming, Data Structures, C and C++, Software Engineering, Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

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, System Programming, Build Tools, Software Development Tools, System Software, C (Programming Language), Development Environment, Program Development, Code Review, Software Technical Review, Software Design
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Content Optimization, Digital Marketing, Content Strategy, Marketing, Customer Analysis, Earned Media, Content Creation, Social Media, User Experience
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Code Reusability, Memory Management, Data Structures, File I/O
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: C (Programming Language), Data Structures, C and C++, Programming Principles, Algorithms, Memory Management
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Press Releases, Strategic Communication, Public Relations, Media Relations, Communication Planning, Crisis Management, Marketing and Public Relations, Corporate Communications, Corporate Sustainability, Earned Media, Social Media, Ethical Standards And Conduct, Target Audience, Journalism, Business Ethics, Content Performance Analysis, Writing, Branding, Strategic Decision-Making, Communication Strategies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Virtual Machines, Package and Software Management, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Operating System Administration, Infrastructure Architecture, Computing Platforms, Enterprise Security, Computer Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Cloud API, Restful API, Application Lifecycle Management, Web Services, Software Documentation, Proxy Servers, Application Deployment, Cloud Deployment, Identity and Access Management, Authentications
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Operating Systems, System Programming, Application Development, Wireless Networks, Communication Systems, Hardware Architecture, OS Process Management, Network Protocols, Simulations, C (Programming Language), Computer Hardware, Network Performance Management, Memory Management
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
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, grep, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures
Intermediate · Course · 1 - 3 Months