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 of Colorado Boulder
Skills you'll gain: Robotics, Artificial Intelligence, Graph Theory, Algorithms, Computer Vision, Data Structures, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Network Troubleshooting, Network Administration, Network Security, Network Architecture, TCP/IP, Network Routers, Computer Networking, Network Routing, Virtual Local Area Network (VLAN), Dynamic Host Configuration Protocol (DHCP), Wireless Networks, Local Area Networks, Network Switches, Networking Hardware, Network Infrastructure, IT Automation, Network Protocols, Routing Protocols, Hardware Troubleshooting, Network Model
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Marketing Effectiveness, Online Advertising, Marketing Analytics, Advertising Campaigns, Digital Advertising, Performance marketing, Campaign Management, Marketing Budgets, Data Analysis, Digital Marketing, Data Presentation, A/B Testing, Key Performance Indicators (KPIs), Return On Investment, Performance Reporting, Business Metrics, Presentations, Communication
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Performance Tuning, Theoretical Computer Science, Verification And Validation, Debugging, Algorithms
Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Business, Nutrition and Diet, Social Determinants Of Health, Sustainability Standards, Environmental Issue, Environment, Health Assessment, Health Policy, Environmental Science, Public Health, Climate Change Mitigation, Problem Solving
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Courage, Professionalism, Personal Integrity, Compliance Management, Risk Analysis, Professional Development, Leadership, Culture
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Object Oriented Design, Java, Object Oriented Programming (OOP), Unit Testing, Java Programming, Application Development, Data Structures, Software Testing, Programming Principles, Test Driven Development (TDD), Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, UI Components, Program Development, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Terminology, Pulmonology, Pathology, Endocrinology, Cardiology, Medical Records, Respiratory Therapy, Neurology, Obstetrics And Gynecology, General Medical Tests and Procedures, Diagnostic Tests, Urology, Gynecology, Anatomy, Human Musculoskeletal System, Health Information Management and Medical Records, Cell Biology, Orthopedics, Physiology, Immunology
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Patient Evaluation, Pharmacology, Airway Management, Cardiology, Medication Administration, Medical Emergency, Emergency Medical Services, Emergency Medicine, Respiratory Care, Neurology, Critical Care, Health Assessment, Mental Status Examination, Vital Signs, Anatomy, Physiology
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Sales Presentations, Brainstorming, Selling Techniques, Marketing Communications, Business Correspondence, Advertising, Business Marketing, Promotional Strategies, Presentations, Consultative Selling, Persuasive Communication, Employee Surveys, Product Promotion, Communication Strategies, Vocabulary
Intermediate · Course · 1 - 3 Months