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.

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Programming Principles, Data Dictionary, File Systems, Data Structures, Debugging, Computational Logic, Command-Line Interface, Data Cleansing, Software Design Patterns, Functional Design, Scripting, Operating Systems, Development Environment, Computational Thinking, Data Manipulation, User Interface (UI), Algorithms
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Computational Thinking, Data Analysis, Analysis, C (Programming Language), Programming Principles, Data Structures, Descriptive Statistics, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Biotechnology, Biological Engineering, Sustainable Technologies, Life Sciences, Environmental Issue, Regulatory Requirements, Sustainability Standards, Chemical Engineering, Production Process, New Product Development, Product Development, Molecular, Cellular, and Microbiology, Biology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Scripting, Network Protocols, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsible AI, Artificial Intelligence, Content Creation, Computer Programming Tools, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Prompt Engineering, Data Processing, Microsoft Excel, Data Manipulation, Microsoft Copilot, Data Wrangling, Data Quality, Data Transformation, Data Integrity, Data Validation, Excel Formulas, Data Analysis
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: AI Personalization, Machine Learning Algorithms, Taxonomy, Applied Machine Learning, Machine Learning, Dimensionality Reduction, Performance Metric, Spreadsheet Software, Performance Measurement, Benchmarking, Usability Testing, Exploratory Data Analysis, A/B Testing, Analysis, User Feedback, Algorithms, System Design and Implementation, Solution Design, Data-Driven Decision-Making, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Display Devices, Computer Displays, Semiconductors, Electrical Engineering, Electronic Systems, Electronics, Electronics Engineering, Systems Design, Electronic Components, Equipment Design, Materials science, Image Quality, Engineering Calculations, Emerging Technologies, Physics, Engineering Analysis, Mathematical Modeling
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Electrical Substation, Electrical Systems, Electrical Power, Control Systems, Electric Power Systems, Low Voltage, High Voltage, Electrical Equipment, Electrical Wiring, Electrical Safety, Three-Phase, HVAC, Basic Electrical Systems, Mechanical Design, Wiring Diagram, Schematic Diagrams, Construction, Civil Engineering, Safety Standards, Technical Standard
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, Workflow Management, No-Code Development, LLM Application, Operational Efficiency, Business Process Automation, Human Computer Interaction, Artificial Intelligence and Machine Learning (AI/ML), Application Design, Automation, Generative AI, Application Programming Interface (API), Application Deployment, Natural Language Processing, Case Studies, Prompt Engineering, Data Capture, Debugging
Intermediate · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, SQL, Databases, Database Design, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Query Languages, Software Development
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: AWS SageMaker, MLOps (Machine Learning Operations), Microsoft Azure, Exploratory Data Analysis, Data Pipelines, Amazon Web Services, Feature Engineering, Cloud Solutions, Cloud Engineering, Artificial Intelligence and Machine Learning (AI/ML), Data Analysis, Applied Machine Learning, Machine Learning Methods, Serverless Computing, Amazon S3, Machine Learning, Machine Learning Algorithms, Python Programming
Advanced · Course · 1 - 3 Months