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.

The University of Edinburgh
Skills you'll gain: Applied Behavior Analysis, Behavior Management, Cultural Diversity, General Science and Research, Scientific Methods, Caregiving, Non-Verbal Communication, Ethical Standards And Conduct, Research, Biology
Mixed · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Open Web Application Security Project (OWASP), Security Information and Event Management (SIEM), Incident Response, Identity and Access Management, Cybersecurity, Network Security, Authentications, Application Security, Authorization (Computing), Role-Based Access Control (RBAC), DevSecOps, Vulnerability Assessments, Infrastructure Security, Vulnerability Management, Security Strategy, Security Controls, Penetration Testing, Firewall, Zero Trust Network Access
Mixed · Course · 1 - 3 Months
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

Skills you'll gain: Closing (Sales), Overcoming Objections, Consultative Selling, Sales, Solution Selling, Sales Presentations, Sales Strategy, Sales Process, Communication, Sales Prospecting, Negotiation, Customer Engagement, Business Ethics, Customer Relationship Management (CRM) Software, Relationship Building, Personalized Service
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Social Justice, Responsible AI, Disabilities, Innovation, Diversity Awareness, Social Impact, Human Centered Design, Sustainable Systems, Policy Analysis, Diversity Equity and Inclusion Initiatives, Community Development, Design Thinking, Technology Solutions, Data Ethics, Social Sciences, Technology Strategies, Policy Development, Governance, Case Studies, Algorithms
Beginner · Course · 1 - 3 Months

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: Musical Composition, Music Theory, Music, Music Performance, Instrumental Music, Classical Music
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Project Closure, Project Portfolio Management, Negotiation, Agile Methodology, Product Roadmaps, Project Management, Agile Project Management, Project Performance, Product Lifecycle Management, Project Risk Management, Innovation, Auditing, Resource Allocation, New Product Development, Team Leadership, Leadership
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Crisis Management, Organizational Change, Strategic Leadership, Leadership, Resilience, Team Leadership, Organizational Leadership, Dealing With Ambiguity, Change Management, Adaptability, Overcoming Objections, Compassion, Emotional Intelligence, Process Improvement, Empathy, Communication Strategies, Employee Engagement
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Cloud Deployment, Cloud-Native Computing, Cloud Applications, Cloud Platforms, Microservices, Cloud Computing, DevOps, Kubernetes, Continuous Delivery, Containerization, Amazon Web Services, Serverless Computing, Virtual Machines, Performance Testing, System Monitoring, Flask (Web Framework)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Constructive Feedback, Clinical Supervision, Clinical Assessment, Clinical Practices, Patient Evaluation, Patient Safety, Teamwork, Trustworthiness
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Hugging Face, Model Evaluation, Embeddings, Transfer Learning, Recurrent Neural Networks (RNNs), Model Deployment, Data Preprocessing, Performance Tuning
Intermediate · Course · 1 - 4 Weeks