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.

Wesleyan University
Skills you'll gain: Storytelling, Writing, Creativity
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Google Ads, Search Engine Optimization, Digital Marketing, Keyword Research, Digital Advertising, Target Audience, Search Engine Marketing, Online Advertising, Persona Development, Customer Analysis, Conversion Funnel Analysis, Content Optimization, Marketing Strategy and Techniques, Advertising Campaigns, Marketing Strategies, Customer Engagement
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Nginx, Proxy Servers, Hardening, Web Servers, Performance Tuning, Network Monitoring, Infrastructure Security, Network Performance Management, Linux Administration, Authentications, Security Controls, Application Performance Management, Network Troubleshooting, Network Security, System Monitoring, System Configuration, Load Balancing, Cybersecurity, DevOps, Computer Networking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Securities (Finance), Credit Risk, Capital Markets, Financial Services, Financial Market, Investment Banking, Lending and Underwriting, Finance, Financial Regulations, Banking, Derivatives, Financial Management, Investment Management, Risk Management, Financial Analysis, Risk Analysis, Asset Management, Analysis, Product Management, Product Design
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Culture, English Language, Oral Expression, Language Learning, Oral Comprehension, Literacy, Language Competency, Cultural Diversity, Intercultural Competence, Vocabulary, Technical Communication, Grammar, Science and Research, Emerging Technologies, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, Debugging, Application Development, Node.JS, Application Design, Web Applications, Data Storage Technologies, Maintainability, Secure Coding, Build Tools, User Interface (UI), System Programming, Application Deployment, UI Components, Package and Software Management, File I/O, Data Storage, Web Content
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Power BI, Data Analysis Expressions (DAX), Microsoft Power Platform, Data Storytelling, Business Metrics, Performance Measurement, Key Performance Indicators (KPIs), Data Lakes, Business Intelligence, Data Presentation, Dashboard, Dashboard Creation, Analytics, Performance Metric, Microsoft Azure, Business Analytics, AI literacy, Management Reporting, AI Workflows
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Model Optimization, Keras (Neural Network Library), Tensorflow, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Neural Networks, Decision Tree Learning, Machine Learning Methods, Applied Machine Learning, Predictive Modeling, Fine-tuning, Scikit Learn (Machine Learning Library), Regression Analysis, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: English Language, Sustainable Business, Environmental Science, Sustainable Development, Environmental Issue, Oral Comprehension, Corporate Sustainability, Language Competency, Environmental Resource Management, Environment and Resource Management, Vocabulary, Natural Resource Management, Advocacy, Language Learning, Grammar
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, LLM Application, Tool Calling, AI Orchestration, Prompt Engineering, Generative AI Agents, Large Language Modeling, Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Non-Verbal Communication, Emotional Intelligence, Verbal Communication Skills, Communication, Interpersonal Communications, Social Skills, Self-Awareness, Personal Attributes, Interviewing Skills, Recognizing Others, Verbal Strategic Communication, Language Competency, Social Impact, Design, Spatial Analysis
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Governance, Security Strategy, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, IT Security Architecture, Computer Security Incident Management, Business Continuity, Disaster Recovery, Cyber Security Policies, Cybersecurity, Incident Response, Data Governance, Governance, Contingency Planning, Security Controls, Asset Management, Cyber Security Assessment, Risk Analysis
Mixed · Course · 3 - 6 Months