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.

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Climate Change Programs, Climate Change Mitigation, Sustainable Development, Environmental Issue, Business Transformation, Climate Change Adaptation, Corporate Strategy, Business Strategy, Business Modeling, Supplier Management, Stakeholder Engagement, Finance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, IT Security Architecture, Security Controls, Application Security, Threat Modeling, Information Systems Security, Security Engineering, Security Testing, Data Security, Continuous Monitoring, Secure Coding, Open Web Application Security Project (OWASP), Authorization (Computing), Threat Detection, Personally Identifiable Information, Model Context Protocol, Identity and Access Management, Incident Response, Distributed Denial-Of-Service (DDoS) Attacks, Anomaly Detection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Retention, Customer Analysis, Customer Insights, Driving engagement, Sample Size Determination, Analytics, User Research, Product Management, Trend Analysis, Statistical Inference, Data-Driven Decision-Making, Unsupervised Learning, Analysis, Statistical Hypothesis Testing, Statistical Analysis, Performance Measurement, Scikit Learn (Machine Learning Library), Algorithms
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: English Language, Critical Thinking, Oral Comprehension, Vocabulary, Literacy, Writing, Oral Expression, Learning Strategies, Language Competency, Analytical Skills, Active Listening, Language Interpretation, Translation, and Studies, Aesthetics, Verbal Communication Skills, Critical Thinking and Problem Solving, Language Learning, Communication Strategies, Problem Solving, Organizational Skills, Communication
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Healthcare Ethics, Medical Equipment and Technology, Health Care Administration, Hospital Experience, Nursing Management, Nursing Administration, Health Systems, Infection Control, Medical Equipment, Intensive Care Unit, Health Administration, Medical Support, Medical Management, Telehealth, Health Informatics, Health Information Management, Patient Flow, Bed Management, Hospital Admissions, Health Technology
Beginner · Specialization · 3 - 6 Months
Scrum Alliance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, Communication Systems, Cloud Computing Architecture, Network Protocols, Telecommunications, Internet Of Things, Cloud Deployment, TCP/IP, Cloud Computing, General Networking, Electric Power Systems, Energy and Utilities, Cloud Management, Network Infrastructure, Interoperability, Wireless Networks, Electrical Power, Cyber Engineering, Electrical Systems, Threat Modeling
Intermediate · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Structural Analysis, Structural Engineering, Mechanical Engineering, Failure Analysis, Engineering Analysis, Mechanics, Materials science, Engineering, Engineering Calculations, Mathematical Modeling, Safety Assurance, Laboratory Testing, Trigonometry
Mixed · Course · 1 - 3 Months

Skills you'll gain: LangGraph, AI Orchestration, Model Deployment, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, CrewAI, Agentic Workflows, LangChain, AI Integrations, LLM Application, Agentic systems, OpenAI, Systems Integration, Tool Calling, Google Gemini, Workflow Management, Automation, Prompt Engineering, Responsible AI
Intermediate · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Parent Communication, Student Engagement, Community Outreach, Working With Children, Training Programs, Education and Training, Cultural Responsiveness, Teaching, Cultural Diversity, Instructional Strategies, Family Support, Culture, Driving engagement, Cultural Sensitivity, Case Studies, Diversity Awareness, Collaboration
Mixed · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Interviewing Skills, Negotiation, Oral Expression, Telephone Skills, Price Negotiation, Presentations, Marketing Planning, Verbal Communication Skills, Public Speaking, Professional Development, Applicant Tracking Systems, English Language, Copywriting, Persuasive Communication, Strategic Marketing, Tactfulness, Business Writing, Intercultural Competence, Business Correspondence, Campaign Planning
Intermediate · Specialization · 3 - 6 Months

Sage Publications
Skills you'll gain: Stakeholder Management, Teamwork, Stakeholder Engagement, Stakeholder Analysis, Project Management, Conflict Management, Stakeholder Communications, Collaboration, Leadership and Management, Cooperation, Team Management, Project Planning, Leadership Studies, Project Management Life Cycle, Team Leadership, Project Coordination, Team Building, Organizational Leadership, Project Scoping, Timelines
Beginner · Course · 1 - 3 Months