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.

University of Colorado Boulder
Skills you'll gain: Environmental Policy, Energy and Utilities, Climate Change Mitigation, Environment, International Relations, Policy Analysis, Climate Change Adaptation, Governance, Sustainable Technologies, Environmental Science, Forecasting, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, AI Orchestration, Application Programming Interface (API), Prompt Patterns, Restful API, Prompt Engineering Tools, LLM Application, JSON, Generative AI Agents, Tool Calling, Generative AI, Artificial Intelligence, Agentic systems, Automation, Scalability, Servers
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cyber Governance, Security Management, Incident Management, Cyber Security Strategy, Business Continuity, Disaster Recovery, IT Management, Cybersecurity, Information Systems Security, Governance, Cyber Risk, Cyber Security Policies, Security Controls, Asset Management, Security Requirements Analysis, Information Assurance, Key Performance Indicators (KPIs), Leadership and Management, Leadership, Technical Communication
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Upselling, Business Metrics, Business Communication, Overcoming Objections, Business Priorities, Sales Process, Solution Selling, Brand Loyalty, Business Transformation, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Analytics
Beginner · Specialization · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Climate Change Mitigation, Environmental Management Systems, Business Transformation, Business Strategy, Corporate Finance, Finance
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Clinical Trials, Pharmacology, Clinical Research, Psychiatry, Psychotherapy, Research Design, Research Methodologies, Mental Health Therapies, Pharmacotherapy, Clinical Research Ethics, Healthcare Ethics, Research, Psychiatric Assessments, Psychology, Informed Consent, Mental Health Diseases and Disorders, Neurology, Social Studies, Ancient History
Mixed · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Open Web Application Security Project (OWASP), Debugging, DevSecOps, Penetration Testing, Security Testing, Application Security, Continuous Monitoring, Software Testing, Development Testing, Cybersecurity, Vulnerability Assessments, Threat Modeling, Test Automation, Secure Coding, Code Review, Vulnerability Management, Technical Communication
Intermediate · Course · 1 - 3 Months
Oracle
Skills you'll gain: Oracle Cloud, Generative AI, Large Language Modeling, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), ChatGPT, Cloud Services, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Deep Learning, Prompt Engineering, Artificial Neural Networks, Natural Language Processing, Enterprise Resource Planning, Application Deployment, Python Programming, Supply Chain Management, Customer Relationship Management (CRM) Software, Human Capital
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Precision Medicine, Biomedical Engineering, Energy and Utilities, Medical Imaging, Artificial Intelligence, Electric Power Systems, Bioinformatics, Deep Learning, Sustainable Technologies, Generative AI, Applied Machine Learning, Predictive Modeling, Molecular Biology, Anomaly Detection, Pharmacology
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Governance, Corporate Sustainability, Diversity and Inclusion, Corporate Strategy, Business Ethics, Crisis Management, Social Impact, Stakeholder Management, Compliance Management, Strategic Communication, Stakeholder Engagement, Business Risk Management
Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Technical Design, Computer-Aided Design, 3D Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, Information Systems Security, Local Area Networks, Firewall, Windows PowerShell, Hardening, Threat Detection, Linux, Penetration Testing, Network Architecture, Wireless Networks, Vulnerability Assessments, System Configuration, IT Automation, Encryption, Network Analysis, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks