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.

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Vulnerability Scanning, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Governance, Business Transformation, Interoperability, Business Leadership, Strategic Partnership, Strategic Leadership, Stakeholder Analysis, FinTech, Leadership, Stakeholder Engagement, Stakeholder Management, Digital Transformation, Emerging Technologies, Organizational Structure, Coordinating, Innovation, Technical Standard
★ 4.7 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Persistence, Programming Principles, Code Reusability, Python Programming, File Management, Computer Science
★ 4.4 (152) · Intermediate · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Coaching, Empathy, Employee Coaching, Compassion, Leadership Development, Rapport Building, Culture Transformation, People Development, Active Listening, Emotional Intelligence, Organizational Leadership, Organizational Development, Self-Awareness, Personal Development, Organizational Change, Leadership, Relationship Building, Change Management, Neurology, Self-Motivation
★ 4.7 (394) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Nursing Management, Delegation Skills, Nursing Administration, Care Coordination, Clinical Leadership, Patient Communication, Conflict Management, Patient Coordination, Care Management, Patient Advocacy, Nursing Practices, Communication Strategies, Nursing, Change Management, Leadership, Nursing and Patient Care, Communication, Nursing Care, Health Care Administration, Medical History Documentation
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Substance Abuse, Mental and Behavioral Health, Substance Abuse Counseling, Mental Health Diseases and Disorders, Psychiatry, Behavioral Health, Patient Evaluation, Clinical Psychology, Epidemiology, Pharmacology, Mental Health Therapies, Neurology, Demography, Pharmacotherapy, Psychology, Culture
★ 4.9 (92) · Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Market Dynamics, Supply And Demand, Game Theory, Economics, Market Trend, Business Economics, Market Analysis, Consumer Behaviour, Operating Cost, Demand Planning, Business Strategy, Revenue Forecasting, Competitive Analysis, Cost Management, Profit and Loss (P&L) Management, Strategic Decision-Making, Decision Making
★ 4.5 (60) · Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Culture, Liberal Arts, European History, World History
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Token Optimization, Prompt Engineering Tools, Responsible AI, Context Engineering, Data Ethics, AI literacy, Model Optimization, Model Evaluation, Cost Management, Mitigation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Network Planning And Design, Amazon Web Services, Virtual Private Networks (VPN), General Networking, Network Infrastructure, Network Administration, Network Performance Management, Network Security, Cloud Infrastructure, Cloud Computing, Network Analysis, Security Controls, Operations Management
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, File Systems, OS Process Management, Linux, Authentications, Zero Trust Network Access, Linux Servers, Remote Access Systems, Data Security, Authorization (Computing), User Accounts, Network Security, Linux Commands, User Provisioning, Security Controls, IT Security Architecture
★ 4.5 (6) · Intermediate · Specialization · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Crisis Management, Negotiation, Mediation, Conflict Management, Diplomacy, Leadership Studies, Leadership, Emergency Response, International Relations, Social Justice, Political Sciences, Governance, Diversity and Inclusion, Diversity Awareness, Needs Assessment
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks