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.

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Code Review, Maintainability, Testability, Software Testing, Debugging, Software Development, Python Programming
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Mobile Development, Application Development, Application Lifecycle Management, User Interface (UI) Design, Data Persistence, UI Components, Authorization (Computing), User Interface (UI), Data Storage, Database Management, File I/O
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Analytics, Ad Hoc Reporting, Management Reporting, Performance Reporting, Web Analytics, Marketing, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Access, Relational Databases, Object Oriented Programming (OOP), JUnit, Data Integrity, SQL, Java Programming, Java, Databases
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stored Procedure, Database Design, Git (Version Control System), Database Development, MySQL Workbench, MySQL, Databases, Database Application, Data Visualization Software, Version Control, SQL, Tableau Software, Data Modeling, Transaction Processing, Django (Web Framework), Project Management, Application Development
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Proofreading, Peer Review, Writing and Editing, Writing, English Language
Intermediate · Specialization · 1 - 3 Months

American Psychological Association
Skills you'll gain: Stress Management, Resilience, Writing, Literacy, Editing, Mental Health, Mindfulness, Learning Strategies, Human Learning, Mental Concentration, Proofreading, Physiology, Productivity, Psychology, Self-Awareness, Emotional Intelligence, Time Management, Cognitive Behavioral Therapy, Critical Thinking, Scientific Methods
Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Manufacturing Operations, Process Design, Product Design, Manufacturing and Production, Production Process, Digital Transformation, Industrial Engineering, Internet Of Things, Computer-Aided Design, Technology Roadmaps, Enterprise Resource Planning, Technology Strategies, Information Technology, Simulation and Simulation Software, Business Technologies, Cloud Computing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Drug Development, Clinical Research, Clinical Trials, Statistical Analysis, Predictive Modeling, R Programming, Data Analysis, Statistical Methods, Health Policy, Data Science, Epidemiology, Healthcare Industry Knowledge, Data Quality, Electronic Medical Record
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Month End Closing, Financial Accounting, Financial Statements, Ledgers (Accounting), Accounting, Income Statement, Balance Sheet, Accounting Records
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Program Development, Programming Principles, Computational Thinking, Theoretical Computer Science, Computer Science, Python Programming
Intermediate · Course · 1 - 3 Months