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.

Northeastern University
Skills you'll gain: Responsible AI, Data Ethics, Data Governance, Artificial Intelligence, Dependency Analysis, Information Privacy, Law, Regulation, and Compliance, Personally Identifiable Information, Ethical Standards And Conduct, General Data Protection Regulation (GDPR), Artificial Intelligence and Machine Learning (AI/ML), Data-Driven Decision-Making, Risk Management Framework, Diversity Awareness, Algorithms
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Social Sciences, Anthropology, International Relations, World History, Sociology, Cultural Diversity, Media and Communications, Economics, Political Sciences, Psychology
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, Generative AI Agents, Agentic systems, Large Language Modeling, OpenAI, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Text Mining, Query Languages, User Interface (UI), Application Development, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Business Intelligence, Decision Support Systems, Data Visualization, Data Warehousing, Performance Measurement, Operational Performance Management, Dashboard, Business Analytics, MicroStrategy, Key Performance Indicators (KPIs), Data Mining, Business Process Improvement, Data-Driven Decision-Making, Business Reporting, Competitive Intelligence, Data Analysis, Six Sigma Methodology, Business Strategy
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Transformation, Customer Analysis, Data Analysis, Customer Data Management, MongoDB, Data Processing, Data Validation, Financial Data, Data Import/Export, Data Pipelines, Data Integration, Development Environment
Intermediate · Course · 1 - 4 Weeks

IESE Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Business Strategy, Sustainability Reporting, Environmental Issue, Strategic Thinking, Strategic Decision-Making, Compliance Management, Stakeholder Engagement, Consumer Behaviour
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Pipelines, Google Cloud Platform, Extract, Transform, Load, Data Processing, Data Integration, Data Transformation, Big Data, Serverless Computing, Apache Spark, Apache Hadoop, Data Wrangling, Cloud Storage
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Environmental Monitoring, Hydrology, Community Outreach, Water Resource Management, Environmental Engineering and Restoration, Water Resources, Cultural Diversity, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Environmental Engineering, Natural Resource Management, Land Management, Case Studies, Water Quality, Environmental Issue, Climate Change Adaptation
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Teaching, Social Justice, Emotional Intelligence, Social Skills, Empathy, Self-Awareness, Higher Education, Behavior Management, Classroom Management, Cultural Responsiveness, Curriculum Planning, School Psychology, Empowerment, Personal Development, Childhood Education and Development, Program Evaluation, Advocacy, Professional Development, Growth Mindedness, Mindfulness
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Music Performance, Creativity
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Search Engine Marketing, Digital Marketing, Content Marketing, Web Analytics and SEO, Search Engine Optimization, Content Strategy, Marketing Planning, Marketing Strategy and Techniques, Social Media Marketing, Driving engagement, Social Media Strategy, Cross-Channel Marketing, Social Media, Marketing Automation, Campaign Management, Customer experience strategy (CX), User Experience, Brand Management, Customer Relationship Management (CRM) Software, AI Personalization
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Analysis Expressions (DAX), Microsoft 365, Data Validation
Intermediate · Guided Project · Less Than 2 Hours