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.

Skills you'll gain: Network Troubleshooting, Virtual Local Area Network (VLAN), Computer Displays, Peripheral Devices, TCP/IP, Local Area Networks, Dynamic Host Configuration Protocol (DHCP), General Networking, USB, Wireless Networks, Computer Networking, Network Routers, Network Infrastructure, Hardware Troubleshooting, Network Switches, Network Protocols, Computer Hardware
Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Management Life Cycle, Risk Management, Project Risk Management, Stakeholder Management, Project Management, Risk Mitigation, Active Listening, Project Management Institute (PMI) Methodology, Systems Development Life Cycle, Risk Analysis, Communication, Project Management Software, Stakeholder Communications, Agile Methodology, Conflict Management, Project Documentation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Prompt Engineering, Version Control, OpenAI API, Debugging, Google Gemini, Software Design Patterns, Object Oriented Design, Software Testing, Test Tools, GitLab, Responsible AI, Infrastructure as Code (IaC), Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, GitHub, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: 3D Assets, Unity Engine, Video Game Development, Game Design, Virtual Environment, Augmented and Virtual Reality (AR/VR), Animations, Software Installation, Scripting, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, Record Keeping, Cyber Security Policies, Security Management, Data Management, Records Management, Cloud Computing Architecture, Data Security, General Data Protection Regulation (GDPR), Cloud Computing, Data Governance, Personally Identifiable Information, Information Privacy, Threat Detection, Microsoft Azure, Cloud Platforms, Security Controls, Threat Management
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Oncology, Internal Medicine, Pathology, Pharmacotherapy, Molecular, Cellular, and Microbiology, Chronic Diseases
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Exercise Science, Nutrition and Diet, Safety Training, Kinesiology, Health Education, Injury Prevention, Anatomy, Physiology, Coaching, Goal Setting
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Fraud detection, Financial Controls, Regulatory Documents, Auditing, Payment Processing and Collection, Accounting, Standard Accounting Practices, Internal Controls, Transaction Processing, Compliance Auditing, Verification And Validation, Document Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Business Continuity Planning, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Trend Analysis, Chronic Diseases, Public Health, Public Health and Disease Prevention, Health Policy, Data Analysis, Biostatistics, System Monitoring, Health Informatics, Technical Communication, Media and Communications, Infectious Diseases, Law, Regulation, and Compliance, Data Ethics, Data Collection, Risk Analysis, Information Privacy
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Test Tools, CI/CD, Regression Testing, JUnit, Selenium (Software), Scalability, Automation, Test Case, Application Programming Interface (API), Application Security
Beginner · Course · 1 - 3 Months