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: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Web Applications, Web Presence, Front-End Web Development, Web Content, Responsive Web Design, Web Design
★ 4.3 (154) · Intermediate · Guided Project · Less Than 2 Hours

Imperial College London
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Public Health, Infection Control, Microbiology, Community Health, Social Determinants Of Health, Preventative Care, Bloodborne Pathogens, Health Policy, Public Policies, Policy Analysis, Trend Analysis, Immunology, Treatment Planning, Data Mapping
★ 4.7 (191) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Agentic systems, Generative AI Agents, Anthropic Claude, AI Integrations, Tool Calling, LLM Application, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
★ 3.9 (10) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Microsoft Office, Microsoft 365
★ 4.6 (14K) · Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Virtual Teams, Intercultural Competence, Team Management, Cultural Diversity, Organizational Leadership, Team Leadership, Leadership, Cultural Sensitivity, Team Building, Team Performance Management, Culture, Stakeholder Communications, Diversity and Inclusion, Team Collaboration, Communication
★ 4.7 (43) · Intermediate · Course · 1 - 4 Weeks

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutrition Care Plans, Nutrition Education, Health And Wellness Coaching, Clinical Nutrition, Coaching, Nutritional Assessment, Motivational Interviewing, Exercise Science, Habit Formation, Behavior Management, Mental and Behavioral Health, Health Education, Psychology, Health Assessment, Athletic Training, Health Care
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
★ 4.4 (68) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Reporting, Critical Thinking, Financial Forecasting, Analytical Skills, Financial Data, Balance Sheet, Accounting, Equities, Forecasting, Income Statement, Annual Reports, Business Valuation, Generally Accepted Accounting Principles (GAAP), Revenue Recognition, Cash Flows, Accruals
★ 4.8 (25) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Training, Workplace inclusivity, Diversity Awareness, Diversity Programs, Cultural Diversity, Overcoming Objections, Advocacy, Empowerment, Communication, Equities
★ 4.5 (55) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Cloud Hosting, Cloud Infrastructure, Cloud Services, Cloud Solutions, User Provisioning, Authorization (Computing), Web Servers, Role-Based Access Control (RBAC), Cloud Storage, Database Management Systems, Frontend Performance, Databases, Database Management, Security Controls, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Minnesota State University, Mankato
Skills you'll gain: Constructive Feedback, Active Listening, Professionalism, Leadership, Trustworthiness, Communication, Performance Management, Conflict Management, Team Leadership, Team Performance Management, Leadership Development, Business Leadership, Organizational Leadership, Business Communication, Strategic Leadership, Influencing, Strategic Communication, Executive Presence, Empowerment, Culture Transformation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, OSI Models, Public Key Infrastructure, Cybersecurity, Key Management, Network Protocols, Encryption, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Local Area Networks, Authentications, Quantum computing
★ 4.8 (12) · Advanced · Course · 1 - 4 Weeks