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.

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Development Environment, Application Deployment, Virtualization, Cloud Computing, Linux Administration, Devops Tools, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software Versioning, Virtualization and Virtual Machines, Software As A Service, Virtual Networking, Virtual Machines
★ 4.4 (163) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, IT Security Architecture, Threat Management, Network Security, Security Architecture Review, Internet Of Things, Threat Detection, Cloud Security, Vulnerability Management, Identity and Access Management, Encryption, Incident Response, Cybersecurity, Information Systems Security, Security Controls, Computer Security Incident Management, Intrusion Detection and Prevention, Penetration Testing, Vulnerability Assessments, Security Testing
★ 4.5 (12) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Brand Strategy, Branding, Strategic Marketing, Brand Marketing, Marketing Psychology, Brand Awareness, Brand Management, Business Strategy, Business Planning, Marketing Strategies, Strategic Planning, Legal Strategy, Go To Market Strategy, Competitive Analysis, Business, Market Analysis, Creativity, Planning, Business Analysis, Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Data Store, Control Panels, Program Development, Frontend Performance, Verification And Validation, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, Agentic Workflows, AI Workflows, Generative AI Agents, AI Orchestration, Retrieval-Augmented Generation, Generative Model Architectures, Microsoft Azure, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), AI Security, LLM Application, Application Deployment, ChatGPT, Artificial Intelligence, Artificial Neural Networks, Deep Learning, Machine Learning
★ 3.7 (53) · Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Laboratory Equipment, Materials science, Laboratory Testing, Analytical Chemistry, Structural Analysis, Laboratory Techniques, Systems Of Measurement
★ 4.8 (35) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Physics, electromagnetics, Materials science, Physical Science, Mathematical Modeling, Advanced Mathematics, Linear Algebra, Applied Mathematics, Problem Solving
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Analysis, Stakeholder Engagement, Project Scoping, Scope Management, Stakeholder Management, Requirements Elicitation, Work Breakdown Structure, Stakeholder Communications, Requirements Management, Communication Planning, Stakeholder Analysis, Change Control, Project Management, Verbal Strategic Communication, Acceptance Testing, Project Controls, Planning, Analysis, Change Management, Communication
Mixed · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, electromagnetics, General Science and Research, Image Quality, Computer Science, Scientific Methods
★ 4.7 (1.2K) · Beginner · Course · 1 - 3 Months

The Museum of Modern Art
Skills you'll gain: Culture, Diversity Marketing, Community Development, Intercultural Competence, Brand Marketing, Non-Verbal Communication, Art History, Drive Engagement, Diversity and Inclusion, Aesthetics, Market Trend, Creativity, Trend Analysis, Photography, Personal Development, Critical Thinking
★ 4.9 (12) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Demography, Environmental Regulations, Environmental Laws, Environmental Policy, Environmental Issue, Environmental Resource Management, Pollution Prevention, Environment, Sanitation, Health Disparities, Public Health and Disease Prevention, Public Health, Water Resources, Environmental Science, Health And Safety Standards, Occupational Hygiene, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Radiation Protection, Water Quality, Epidemiology
★ 4.8 (108) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Inventory and Warehousing, Warehousing, Retail Management, Warehouse Operations, Warehouse Management, Inventory Management, Retail Store Operations, Merchandising, Supply Chain, Transportation, Supply Chain, and Logistics, Logistics, Retail Sales, Operations Management, Supply Chain Planning, Customer Service, Sales, Planning, Analytics, Decision Making, Design
Mixed · Course · 1 - 3 Months