Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

Scrimba
Skills you'll gain: React.js, Routing Protocols, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Query Languages, Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Application Development, Large Language Modeling, Artificial Intelligence, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Learning, Education Software and Technology, End User Training and Support
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Web Servers, Server Side, Hypertext Markup Language (HTML), Go (Programming Language), Web Applications, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Algorithms, Programming Principles, Computational Thinking, Program Development, Code Review, Software Documentation, Debugging, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java, Programming Principles, User Interface (UI), Integrated Development Environments, Application Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Process, Active Listening, Prospecting and Qualification, Business Communication, Sales, Inside Sales, Customer Analysis, Technical Sales, Outside Sales, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, Application Development, Software Documentation, Programming Principles, Data Validation, Computational Logic, Data Mapping
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Backlogs, Sprint Planning, Test Driven Development (TDD), Sprint Retrospectives, User Story, Scrum (Software Development), Agile Product Development, Kanban Principles, Agile Methodology, Solution Delivery, Application Deployment, Meeting Facilitation
Beginner · Course · 1 - 4 Weeks

Sciences Po
Skills you'll gain: Transportation Operations, Demography, Socioeconomics, Social Sciences, Public Safety and National Security, Community Development, Policy Analysis, Environmental Issue, Education and Training, Cultural Diversity, Economics
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Logo Design, Marketing Design, Digital Design, Creative Design, Graphic Design, Marketing Materials, Design, Organizational Skills, Marketing, Data Sharing, Marketing Strategies, User Accounts, Advertising
Intermediate · Guided Project · Less Than 2 Hours