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.

Case Western Reserve University
Skills you'll gain: Coaching, Negotiation, Emotional Intelligence, Empathy, Leadership Development, Initiative and Leadership, Compassion, Leadership, Organizational Change, Organizational Leadership, Organizational Development, Culture Transformation, Empowerment, People Development, Influencing, Strategic Leadership, Business Leadership, Active Listening, Case Studies, Professional Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Color Theory, Creativity, Creative Thinking, Courage, Overcoming Obstacles, Curiosity, Self-Awareness, Personal Development, Self-Motivation, Emotional Intelligence
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, Customer Acquisition Management, Revenue Management, Telecommuting, Growth Strategies, Entrepreneurship, Search Engine Optimization, Self-Starter, Copywriting, Branding
Mixed · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Open Mindset, Curiosity, Willingness To Learn, Self-Awareness, Empathy, Child Development, Cognitive flexibility, Emotional Intelligence, Critical Thinking, Social Sciences
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Content, Google Gemini, Social Media Marketing, Social Media, Drive Engagement, Social Media Strategy, ChatGPT, Marketing Automation, Content Creation, Target Audience, Content Strategy, Prompt Engineering, Copywriting, Automation, Scheduling, Search Engine Optimization, Keyword Research, Writing, Web Analytics and SEO, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Mindfulness, Self-Awareness, Mental Health, Social Justice, Psychology, Stress Management, Mental and Behavioral Health Specialties, Social Sciences, Cultural Diversity, Environment and Resource Management, Trauma Care, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Music, Performing Arts, Classical Music, Aesthetics, World Music, Music Performance, Music History, Art History, Design
Mixed · Course · 1 - 3 Months

United Cities and Local Governments of Africa
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Climate Change Mitigation, Environmental Policy, Environmental Issue, Social Determinants Of Health, Community Development, Environmental Resource Management, Sustainable Development, Decision Support Systems, Governance, Vulnerability
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Semiconductors, Electronics, Electronics Engineering, Electronic Components, Simulation and Simulation Software, Electrical Engineering, Simulations, Mathematical Modeling, Model Evaluation, Differential Equations, Calculus
Mixed · Course · 1 - 3 Months

University of Huddersfield
Skills you'll gain: Integrated Marketing Communications, Research Methodologies, Strategic Decision-Making, Negotiation, Stakeholder Management, Intercultural Competence, Organizational Leadership, Research Design, Research, Data Analysis, Self-Motivation, Business Management, Data Collection, Goal Setting, Campaign Management, Leadership and Management, Team Leadership, Collaboration, Organizational Strategy, Organizational Change
Earn a degree
Degree · 1 - 4 Years

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science
Beginner · Specialization · 3 - 6 Months