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: .NET Framework, User Interface (UI), User Interface (UI) Design, UI Components, Animations, Mobile Development, C# (Programming Language), Cross Platform Development, Role-Based Access Control (RBAC), Extensible Markup Language (XML)
Advanced · Course · 1 - 3 Months

Duke University
Skills you'll gain: File I/O, Maintainability, Program Development, C (Programming Language), Software Engineering, System Programming, Software Development, Simulations, Command-Line Interface, Operating Systems, User Interface (UI), Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Infectious Diseases, Immunology, Epidemiology, Microbiology, Biology, Public Health, Molecular Biology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management, Bash (Scripting Language), Git (Version Control System), GitHub, Version Control, Unix Shell, Ubuntu, Shell Script, Scripting, Unix, Scripting Languages, Unix Commands, Linux, System Configuration, Linux Administration, Linux Commands, File Management, Software Installation
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

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

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Key Management, Application Development, Public Key Infrastructure, Data Integrity
Build toward a degree
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: PyTorch (Machine Learning Library), Natural Language Processing, Generative Adversarial Networks (GANs), Transfer Learning, Vision Transformer (ViT), Deep Learning, Unsupervised Learning, Embeddings, Convolutional Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Model Deployment, Flask (Web Framework)
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Team Performance Management, Teamwork, Team Building, Team Management, Virtual Teams, Collaboration, Intercultural Competence, Team Leadership, Conflict Management, Cross-Functional Collaboration, Team Motivation, Productivity, Cultural Diversity, Cultural Sensitivity, Cultural Responsiveness, Meeting Facilitation, Drive Engagement, Safety Culture, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Mental Health, Learning Strategies, Emotional Intelligence, English Language, Empathy, Communication Strategies, Grammar, Higher Education, Vocabulary
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Mathematical Software, Performance Tuning
Intermediate · Course · 1 - 4 Weeks