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 Security, Incident Response, Incident Management, Business Continuity Planning, Business Continuity, Disaster Recovery, Security Controls, System Configuration, Configuration Management, Governance, Cyber Operations, Cybersecurity, Security Awareness, Security Management, Computer Security Incident Management, Cyber Attacks, Computer Security Awareness Training, Information Assurance, Data Security, Role-Based Access Control (RBAC)
★ 4.7 (1.3K) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Customer experience strategy (CX), Brand Strategy, Brand Management, Branding, Customer experience improvement, Marketing Strategies, Customer Insights, Brand Loyalty, Cross-Channel Marketing, Global Marketing, Market Trend, Consumer Behaviour, Competitive Analysis, Innovation, E-Commerce
★ 4.8 (300) · Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Clinical Trials, Clinical Monitoring, Sample Size Determination, Clinical Research Ethics, Clinical Research, Data Quality, Healthcare Ethics, Quality Assurance, Clinical Trial Management Systems, Good Clinical Practices (GCP), Case Report Forms, Institutional Review Board (IRB), Data Maintenance, Data Cleansing, Data Management, Regulatory Compliance, Data Integrity, Informed Consent, Data Collection
★ 4.7 (628) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Management Training And Development, Organizational Change, Coordinating, Leadership and Management, Organizational Development, Leadership Studies, Innovation, Culture Transformation, Coordination, People Management, Business Transformation, Professional Development, Process Analysis, Leadership, Personal Development, Employee Engagement, Goal Setting, Motivational Skills
★ 4.8 (3.7K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Dashboard Creation, Business Intelligence Software, Dashboard, Scalability, Database Design, System Implementation, Operating System Administration, Performance Tuning, Business Reporting, Regression Testing, Business Logic, Oracle Cloud, Data Modeling, Database Development, Software Installation, Enterprise Application Management, Data Migration, Database Administration, Data Management
Beginner · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Medical Terminology, Healthcare Ethics, Basic Patient Care, Resilience, Emotional Intelligence, Anatomy, Pathology, Direct Patient Care, Professionalism, Patient-centered Care, Patient Communication, Personal protective equipment, Vital Signs, Hand Hygiene, Patient Safety, Personal Care, Patient Positioning, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Pain Management, Infection Control
★ 4.8 (1.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: ChatGPT, Microsoft Excel, Excel Macros, Excel Formulas, Productivity Software, Data Cleansing, Spreadsheet Software, Data Processing, Data Manipulation, Data Transformation, Business Reporting, Analysis, Workflow Management, Analytical Skills, AI literacy, Prompt Engineering, AI Workflows, AI Personalization
Intermediate · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Prompt Patterns, Prompt Engineering, Generative AI, AI Enablement, AI literacy, Responsible AI, LLM Application, Decision Intelligence, Organizational Leadership, Leadership and Management, Risk Management, Large Language Modeling, AI Workflows, Initiative and Leadership, Strategic Leadership, Business Leadership, Leadership, Team Leadership, Leadership Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), MITRE ATT&CK Framework, AI Security, Cyber Threat Intelligence, Continuous Monitoring, Threat Detection, Threat Management, Event Monitoring, AI Integrations, Computer Security Incident Management, Analysis, Incident Response, Cybersecurity, Data Integration, Automation
Intermediate · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Derivatives, Equities, Futures Exchange, Risk Analysis, Financial Trading, International Finance, Investments, Securities Trading, Financial Market, Portfolio Risk, Risk Management, Financial Analysis, Financial Statement Analysis, Market Analysis, Market Data, Capital Markets, Investment Management, General Finance, Tax, Financial Accounting
★ 4.4 (872) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Cloud Services, Virtualization, Cloud Computing, Virtual Machines, Cloud Platforms, Cloud Storage, Cloud Infrastructure, Virtual Private Networks (VPN), Public Cloud, Virtual Networking, Infrastructure As A Service (IaaS), Cloud Computing Architecture, Cloud Management, Data Storage, Database Management Systems, Scalability
★ 4.5 (2.8K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Visualforce, Salesforce Development, Salesforce, Application Development, Salesforce Object Query Language (SOQL), Restful API, Application Programming Interface (API), Web Services, Data Modeling, API Testing, Javascript, Data Access, SQL, Programming Principles
Intermediate · Course · 1 - 4 Weeks