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 Illinois Urbana-Champaign
Skills you'll gain: Health Equity, Health Disparities, Social Determinants Of Health, Nutrition and Diet, Health Policy, Nutrition Education, Public Health, Public Health and Disease Prevention, Food and Beverage, Policy Analysis, Policy Development, Public Policies, Policy Analysis, Research, and Development, Program Evaluation, Advocacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS CloudFormation, Infrastructure as Code (IaC), Amazon Web Services, Cloud Infrastructure, Configuration Management, Cloud Management, Software Configuration Management, IT Automation, Cloud Security, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lean Manufacturing, Lean Methodologies, Workflow Management, Process Analysis, Process Improvement and Optimization, Operational Efficiency, Process Optimization, Process Improvement, Business Process Improvement, Operational Excellence, Business Workflow Analysis, Productivity, Kaizen Methodology, Quality Improvement, Continuous Improvement Process, Waste Minimization, Kanban Principles, Resource Utilization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Objections, Consultative Selling, Selling Techniques, Diversity Training, Consultative Approaches, Coaching, Sales Development, Team Collaboration, Sales Strategy, Intercultural Competence, Sales Training, Sales Prospecting, Collaboration, Consumer Behaviour, Sales Pipelines, Negotiation, Business Communication, Communication Strategies, Virtual Networking, Interpersonal Communications
Beginner · Specialization · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Climate Change Programs, Mitigation, Environmental Issue, Environmental Science, Environment, Education and Training, Sustainable Development, Sustainable Technologies, Systems Thinking, Student Engagement, Collaboration
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Business Management, Administration, Leadership and Management, Organizational Structure, Leadership Studies, Organizational Effectiveness, Goal Setting, Leadership, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Ubuntu, Hardening, Linux, Linux Commands, Application Security, Operating System Administration, Security Software, Security Controls, Service Management, Patch Management, Systems Administration, Information Systems Security, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Email Automation, Email Marketing, Content Performance Analysis, Marketing Automation, Email Security, Campaign Management, Performance Analysis, Personalized Campaigns, Process Optimization, HubSpot CRM, Performance Measurement, Process Improvement and Optimization, Customer Retention, Customer Engagement, Workflow Management, A/B Testing, Journey Mapping, Authentications
Intermediate · Course · 1 - 4 Weeks

AI Business School
Skills you'll gain: Agentic Workflows, Agentic systems, Productivity, No-Code Development, AI Workflows, AI Enablement, Business Process Automation, Automation, Artificial Intelligence, Business Technologies, Digital Transformation, Application Development, Operational Efficiency, Ideation, Process Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Amazon Web Services, Cloud Services, Network Infrastructure
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Insurance, Insurance Policies, Risk Management, Long Term Care, Wealth Management, Disabilities, Financial Planning, Health Policy, Health Care, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours