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.

Council on Foreign Relations
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Energy and Utilities, Social Justice, Environmental Issue, Sustainable Development, Environmental Policy, Emerging Technologies, Sustainable Technologies, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Professional Networking, Interviewing Skills, Technical Support, LinkedIn, Professional Development, Desktop Support, System Support, Help Desk Support, Professionalism, Technical Communication, Verbal Communication Skills, Communication Strategies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Data Persistence, Programming Principles, Python Programming, File Management, Computer Science
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mindfulness, Teaching, Self-Awareness, Classroom Management, Empathy & Emotional Intelligence, Social Studies, Storytelling, Adult Education, Parent Communication, Resilience, Cultural Responsiveness, Stress Management, Emotional Intelligence, Community Development, Collaboration, Liberal Arts
Advanced · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Governance, Compliance Management, Business Ethics, Certified Public Accountant, Regulatory Compliance, Corporate Accounting, Ethical Standards And Conduct, Accountability, Public Accounting, Accounting, Auditing, Financial Management, Stakeholder Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interviewing Skills, Professional Networking, Presentations, LinkedIn, Cybersecurity, Market Research, Social Media, Recruitment, Portfolio Management, Negotiation, Writing, Technical Communication, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Modeling, Microsoft Development Tools, Computer Programming, .NET Framework, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Integrated Development Environments, Java Programming, Java, Object Oriented Programming (OOP), Development Environment, Software Installation, Debugging, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Work Breakdown Structure, Calendar Management, Timelines, Project Schedules, Scheduling, Project Planning, Project Coordination, Project Management Software, Project Management, Milestones (Project Management), Relationship Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Programming (OOP), Object Oriented Design, Frontend Integration, Middleware, Programming Principles, Application Frameworks, Object-Relational Mapping, Model View Controller, Event-Driven Programming, User Interface (UI), Cascading Style Sheets (CSS), Authentications, Development Environment, Debugging
Beginner · Specialization · 1 - 3 Months

Niel Asher Education
Skills you'll gain: Lifting Ability, Injury Prevention, Mobility Assistance, Exercise Science, Train The Trainer, Physical Stamina, Safety Standards, Neurology, Mechanics, Planning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months