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.

Skills you'll gain: Visual Merchandising, Product Knowledge, Workflow Management, E-Commerce, Content Management Systems, Project Planning, User Interface and User Experience (UI/UX) Design, Software Installation, Responsive Web Design, System Requirements, Search Engine Optimization
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Learning Theory, Teaching, Human Learning, Pedagogy, Education and Training, Higher Education, Social Sciences, Policy Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Interviewing Skills, Storytelling, Problem Solving, Professional Development, Initiative and Leadership, Concision, Verbal Communication Skills, Teamwork, Job Analysis, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Computer Security Incident Management, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Threat Management, Data Security, Authentications, Cyber Attacks, Security Testing, Cloud Security, Security Strategy, Computer Security Awareness Training, Risk Management, Security Awareness, Enterprise Security
Beginner · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Computational Logic, Application Specific Integrated Circuits, Computer-Aided Design, Electronic Hardware, Electrical Engineering, Electronic Systems, Electronics, Semiconductors, Electronic Components, Computer Architecture, Programming Principles, Engineering Design Process, Embedded Systems, Schematic Diagrams, Simulation and Simulation Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Object Oriented Design, Java, Java Programming, File Management, Application Development, Programming Principles, Data Structures, Data Management, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Microsoft Copilot, AI Workflows, Anthropic Claude, Tool Calling, GitHub, Context Management, Web Development, Real Time Data, Debugging, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Servers, Prompt Engineering, Application Development, Video Game Development, Generative AI, Software Engineering
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Unsupervised Learning, Microsoft Azure, Machine Learning Methods, Data Validation, No-Code Development, Data Processing, Document Management, Cloud Services
Beginner · Guided Project · Less Than 2 Hours
École Polytechnique
Skills you'll gain: Physics, Scientific Methods, Science and Research, Engineering, Scientific, and Technical Instruments, Physical Science, Mechanics, electromagnetics, Simulations
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Case Studies, Target Audience, Business Communication, Communication Strategies, Communication, Analysis, English Language, Business Writing, Vocabulary, Writing, Grammar
Mixed · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Cinematography, Videography, Video Production, Photo/Video Production and Technology, Photography, Post-Production, Storyboarding, Storytelling, Creativity, Podcasting, Content Creation, Image Quality, Music
Beginner · Specialization · 3 - 6 Months

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Mental Health, Learning Strategies, Culture, Emotional Intelligence, Liberal Arts, English Language, Social Sciences, Literacy, Language Learning, Economics, Interpersonal Communications, Empathy, Psychology, Writing, Research, Business Management, Communication Strategies, Oral Comprehension
Beginner · Specialization · 3 - 6 Months