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.

New York University
Skills you'll gain: Mindfulness, Respiration, Physiology, Human Musculoskeletal System, Stress Management, Pulmonology, Research, Science and Research, Cardiology, General Science and Research, Immunology, Biology, Meditation & Breathwork, Cell Biology, Nephrology, Anatomy, Chronic Diseases, Neurology, Endocrinology, Molecular, Cellular, and Microbiology
★ 4.8 (540) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Docker (Software), DevSecOps, Hardening, Containerization, Application Security, Vulnerability Scanning, Devops Tools, Network Troubleshooting, Infrastructure Security, Event Monitoring, DevOps, Data Security, Vulnerability Assessments, Security Controls, Linux, Vulnerability Management, Cybersecurity, OS Process Management, Risk Management, Performance Measurement
Advanced · Course · 1 - 3 Months

Council on Foreign Relations
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Environmental Policy, Climate Change Programs, Energy and Utilities, Social Justice, Social Impact, Environmental Issue, Environment, Policy Development, Policy Analysis, Mitigation, Public Policies, Emerging Technologies, Pollution Prevention, International Relations, Sustainable Development, Sustainable Technologies, Diplomacy, Governance
★ 4.9 (20) · Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Spanish Language, Bilingual (Spanish/English), Language Competency, Language Learning, Vocabulary, Grammar, Oral Comprehension
★ 4.7 (203) · Beginner · Course · 1 - 4 Weeks

New York Institute of Finance
Skills you'll gain: Working Capital, Supplier Management, Market Share, Supply Chain Management, Blockchain, Supplier Relationship Management, FinTech, Cash Flows, Business Metrics, Accounts Payable, Supplier Risk Management, Cash Management, Procurement, Customer Analysis, Financial Market, Market Opportunities, Market Trend, Prospecting and Qualification, Transaction Processing, Supply Chain Systems
★ 4.6 (382) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SAS (Software), Data Access, Statistical Programming, Cloud Development, Cloud-Based Integration, Data Analysis Software, Analytics, Data Processing, Data Manipulation, Statistical Software, Data Import/Export, Computer Programming, Data Analysis, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Information Architecture, Order Processing, Cloud Hosting, Frontend Performance, Web Design, Secure Coding, Performance Tuning, Amazon Web Services, Order Management, Data Management, Content Management Systems, Web Design and Development, Usability, Cloud Deployment, Performance Testing, Remote Access Systems, Payment Processing, Web Development, Web Servers
★ 4.7 (25) · Beginner · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, General Networking, Wireless Networks, Computer Networking, Network Administration, Network Routing, Network Performance Management, Network Monitoring, Application Security, Network Model, Live Streaming, Software-Defined Networking, Digital Communications, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Cognitive flexibility, Industrial and Organizational Psychology, Innovation, Organizational Effectiveness, Organizational Change, Problem Solving, Organizational Development, Creative Thinking, Creative Problem-Solving, Organizational Leadership, Organizational Structure, Critical Thinking and Problem Solving, Organizational Strategy, Business Solutions, Organizational Skills, Complex Problem Solving, Change Management, Talent Management
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Financial Statement Analysis, Financial Statements, Balance Sheet, Financial Acumen, Income Statement, Financial Analysis, Profit and Loss (P&L) Management, Gross Profit, Operational Efficiency, Operating Expense
★ 4.9 (46) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Responsible AI, Accounts Payable, Accounts Payable and Receivable, Prompt Engineering Tools, Data Ethics, Accounting and Finance Software, Financial Data, Make.com, Data Governance, Workflow Management, Miro AI, Financial Forecasting, Financial Management, Financial Analysis, Artificial Intelligence, No-Code Development, Budgeting, Forecasting
★ 3.5 (13) · Intermediate · Specialization · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Package and Software Management, Open Source Technology, Git (Version Control System), Linux, Command-Line Interface, Bash (Scripting Language), File Systems, GitHub, Linux Administration, Version Control, Linux Commands, User Accounts, CI/CD, Unix Commands, Shell Script, grep, Continuous Integration, Operating System Administration, Software Installation, Software Development Tools
★ 4.6 (3.1K) · Beginner · Specialization · 3 - 6 Months