Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

University at Buffalo
Skills you'll gain: Personal protective equipment, Environmental Regulations, Safety Training, Occupational Safety and Health Administration (OSHA), Hazard Analysis, Energy and Utilities, Safety Standards, Hazard Communication (HazCom), Safety and Security, Fire And Life Safety, Regulatory Compliance, First Aid, Emergency Response
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Art History, Ancient History, World History, Anthropology, Research Methodologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Story, Software Development Life Cycle, Software Architecture, Sprint Retrospectives, Agile Software Development, Kanban Principles, DevOps, Backlogs, Software Design, Scrum (Software Development), Information Technology, Computer Hardware, Sprint Planning, Software Development Methodologies, Agile Methodology, Agile Project Management, Team Building, Risk Management, Leadership, Communication
Beginner · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Calculus, Numerical Analysis, Applied Mathematics, Engineering Calculations, Integral Calculus, Engineering Analysis, Differential Equations, Mathematical Theory & Analysis, Advanced Mathematics, Estimation, Derivatives
Mixed · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Instrumental Music, Musical Composition, Music Performance
Mixed · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Unit Testing, Test Driven Development (TDD), Programming Principles, Software Testing, Data Structures, Python Programming, Computer Programming, Development Environment, Integrated Development Environments, Debugging, Django (Web Framework), Cloud Hosting
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Ancient History, Grammar, Writing, Language Learning, Vocabulary, Literacy, Art History, Language Interpretation, Translation, and Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Operating System Administration, Digital Forensics, Cyber Threat Hunting, Incident Response, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Malware Protection, Identity and Access Management, Penetration Testing, Computer Security Incident Management, Linux Commands, Database Management, Networking Hardware, Network Security, Cybersecurity, Cyber Threat Intelligence, Interviewing Skills, Cyber Security Assessment
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Debugging, Computational Thinking, Data Structures, Computer Programming, Program Development, Integrated Development Environments, Computer Science, Python Programming, Algorithms
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Generative AI, ChatGPT, Responsible AI, Social Impact, Artificial Intelligence, AI Personalization, Organizational Effectiveness, Prompt Engineering, LLM Application, Operational Efficiency, Human Centered Design, Ethical Standards And Conduct, Natural Language Processing, Strategic Thinking, Problem Solving, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Descriptive Statistics, Linear Algebra, Exploratory Data Analysis, Data-Driven Decision-Making, Data Analysis, Artificial Intelligence, Probability, Regression Analysis, Calculus, Statistical Analysis, Advanced Mathematics, Applied Mathematics, Probability Distribution, Mathematical Modeling, Statistical Modeling, Machine Learning Algorithms, Dimensionality Reduction
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Logo Design, Color Theory, Design Elements And Principles, Graphic Design, Design, Typography, Storytelling, Layout Design, User Experience Design, Digital Design, Image Quality, Graphic and Visual Design, Adobe InDesign, Graphic and Visual Design Software, Design Research, Information Architecture, Adobe Photoshop, Web Design and Development, File Management
Beginner · Specialization · 3 - 6 Months