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.

American Council on Exercise
Skills you'll gain: Selling Techniques, Sales, Customer Retention, Consultative Selling, Customer Acquisition Management, Performance Measurement, Customer Relationship Building, Professional Development, Customer Engagement, Exercise Science, Coaching, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months

Skills you'll gain: Performance Analysis, Marketing, Marketing Effectiveness, Marketing Planning, Marketing Strategies, Strategic Marketing, Global Marketing, Plan Execution, Brand Management, Campaign Management, Marketing Management, Market Analysis, Brand Awareness, Marketing Strategy and Techniques, Product Strategy, Case Studies, Digital Marketing, Branding, Business, Product Lifecycle Management
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Virtual Teams, Intercultural Competence, Team Management, Cultural Diversity, Leadership, Cultural Sensitivity, Team Building, Culture, Stakeholder Communications, Conflict Management, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Cloud Security, Cybersecurity, Real-Time Operating Systems, Internet Of Things, Security Information and Event Management (SIEM), Infrastructure Security, Network Security
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Chronic Diseases, Student Support and Services, Parent Communication, Care Management, Health Education, First Aid, Patient Education and Support, Pediatrics, Emergency Response, Nursing Care, Respiratory Care, Medication Administration, Nutrition and Diet
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Decision-Making, Project Performance, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SonarQube, Continuous Deployment, Configuration Management, Software Configuration Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphic Techniques, Virtual Environment, Visualization (Computer Graphics), Computer Graphics, Performance Tuning, Image Quality, Technical Design, Graphical Tools, Design Elements And Principles, Design, Creative Design, Aesthetics
Intermediate · Course · 3 - 6 Months

Skills you'll gain: GitHub, Jenkins, Git (Version Control System), Version Control, Selenium (Software), CI/CD, Test Automation, JUnit, Test Data, Unit Testing, Test Case, Software Testing, Regression Testing, Debugging
Advanced · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, System Monitoring, Workflow Management, Tool Calling, Continuous Monitoring, Scalability, Prompt Engineering, Code Review, Integration Testing, User Feedback
Beginner · Course · 1 - 4 Weeks