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: Blockchain, FinTech, Application Development, Integrated Development Environments, Application Deployment, Other Programming Languages, Secure Coding, Programming Principles, Data Structures, Data Mapping
★ 4.4 (7) · Intermediate · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Marketing Communications, Integrated Marketing Communications, Advertising Campaigns, Advertising, Marketing, Marketing Budgets, Brand Marketing, Campaign Planning, Communication Planning, Marketing Planning, Marketing and Public Relations, Marketing Design, Brand Strategy, Media and Communications, Brand Management, Brand Loyalty, Branding, Marketing Management, Marketing Psychology, Communication
★ 4.7 (2.5K) · Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Substance Abuse, Mental and Behavioral Health, Substance Abuse Counseling, Mental Health Diseases and Disorders, Psychiatry, Behavioral Health, Patient Evaluation, Clinical Psychology, Epidemiology, Pharmacology, Mental Health Therapies, Neurology, Demography, Pharmacotherapy, Psychology, Culture
★ 4.9 (92) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Requirements Analysis, Mockups, Interviewing Skills, Storyboarding, Product Requirements, Prototyping, Systems Analysis, Business Analysis Tools, User Research, Stakeholder Analysis, System Requirements, Stakeholder Engagement, Knowledge Transfer, Prioritization
★ 4.5 (122) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Simulations, Interactive Data Visualization, Electrical Safety, User Interface (UI) Design, Program Development, Computational Logic, Authorization (Computing), System Configuration
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Routing Protocols, TCP/IP, Wide Area Networks, Network Planning And Design, Network Monitoring, Configuration Management
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Machine Learning Methods, Decision Intelligence, Applied Machine Learning, Machine Learning, AI Enablement, Technology Roadmaps, Data-Driven Decision-Making, Artificial Intelligence and Machine Learning (AI/ML), Business Solutions, Organizational Strategy, AI Product Strategy, Organizational Change, Product Roadmaps, Feasibility Studies, System Requirements, Business Planning, Project Planning
★ 4.8 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Team Performance Management, Team Management, Emotional Intelligence, Management Training And Development, Empathy & Emotional Intelligence, Business Leadership, People Management, Leadership Studies, Team Leadership, Leadership and Management, Behavior Management, Business Management, Organizational Leadership, Leadership, Professionalism, Organizational Effectiveness, Leadership Development, Industrial and Organizational Psychology, Personal Development, Organizational Structure
Mixed · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Substance Abuse, Mental Health Diseases and Disorders, Clinical Psychology, Mental and Behavioral Health, Mental Health Therapies, Psychiatry, Psychological Evaluations, Mental Health, Substance Abuse Counseling, Psychology, Cognitive Behavioral Therapy, Psychiatric Assessments, Patient Evaluation, Behavioral Health, Psychotherapy, Culture, Cultural Sensitivity, Epidemiology, Pharmacology, Psychosocial Assessments
★ 4.8 (352) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux, Linux Administration, File Systems, Remote Access Systems, Operating System Administration, Linux Commands, File Management, System Configuration, Unix, Software Installation, Command-Line Interface, Operating Systems, Unix Commands, Virtualization and Virtual Machines, Systems Administration, Authorization (Computing), Virtualization, Virtual Machines, User Accounts
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Control Systems, Programmable Logic Controllers, Real-Time Operating Systems, Code Reusability, Program Development, Human Machine Interfaces, System Monitoring, System Configuration, Event Monitoring, Data Sharing
★ 5 (6) · Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Social Media Analytics, Content Creation, Social Media Marketing, Hospitality Management, Social Media, Hospitality, Social Media Management, Social Media Content, Digital Marketing Campaigns, Guest Relations, Digital Marketing Tools, Hotels and Accommodations, Marketing, Social Media Strategy, Digital Marketing, Storytelling, Instagram, Web Analytics and SEO, Search Engine Optimization, User Feedback
★ 3.9 (24) · Intermediate · Course · 1 - 4 Weeks