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.
University of Illinois Urbana-Champaign
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Business Analytics, Statistical Analysis, Analytics, Microsoft Excel, Statistical Modeling, Probability & Statistics, Statistical Methods, Predictive Analytics, Data-Driven Decision-Making, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity, Cryptography, Disaster Recovery, Vulnerability Assessments, Enterprise Security, Regulation and Legal Compliance, Data Security, Application Frameworks, Cybersecurity, Emerging Technologies, Distributed Computing, Transaction Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Market, Equities, Capital Markets, Economics, Investment Management, Business Valuation, Market Analysis, Portfolio Management, Financial Analysis, Market Dynamics, Econometrics, Analysis, Forecasting, Asset Management
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Web Services, Web Applications, Application Development, Database Application, User Interface (UI), Python Programming, Restful API, Databases, Database Management, Application Security, Network Protocols, User Interface (UI) Design, Scripting, Relational Databases, Object Oriented Programming (OOP), Computer Programming, Software Development, Scripting Languages, Object Oriented Design, Programming Principles
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Analytics, Business Intelligence, Predictive Modeling, Business Analytics, Google Analytics, Customer Analysis, Analytics, Model Evaluation, Predictive Analytics, Advanced Analytics, Customer Insights, Trend Analysis, Artificial Intelligence, Performance Metric, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Strategic Partnership, Vibe coding, Email Automation, Brand Strategy, Branding, Generative AI Agents, Contract Negotiation, AI Workflows, Closing (Sales), Entrepreneurship, Negotiation, Order Management, Blogs, Product Knowledge, Selling Techniques, Content Creation, E-Commerce, Order Fulfillment, Agentic systems, Logistics Management
Beginner · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Diversity Awareness, Culture, Cultural Diversity, Research, Storytelling, Liberal Arts, Writing
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Performing Arts, Liberal Arts, Storytelling, Creativity, Community Outreach, Community and Social Work, European History
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Basic Electrical Systems, Wireless Networks, C and C++, Computer Programming, Control Systems, Interactive Design, Software Installation, Electronic Components, C++ (Programming Language), Electronics, Display Devices, Embedded Software, Embedded Systems, Robotics, Computer Programming Tools, Development Environment, Integrated Development Environments, Electrical Wiring
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Customer experience strategy (CX), Strategic Communication, Marketing Communications, Marketing Strategies, Digital Media Strategy, Marketing Analytics, Digital Marketing, Marketing Automation, Marketing Channel, Data-Driven Decision-Making, Integrated Marketing Communications, Personalized Service, Consumer Behaviour, Data Ethics, Social Media, Emerging Technologies, Target Audience, Artificial Intelligence, Augmented Reality
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Management, Social Media Campaigns, Instagram, Content Performance Analysis, Digital Advertising, Facebook, Digital Marketing, Paid media, Content Creation, Content Strategy, Customer Engagement, Target Audience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Authentications, AWS Identity and Access Management (IAM), User Provisioning, OAuth, User Accounts, Security Controls, Role-Based Access Control (RBAC), Authorization (Computing), Single Sign-On (SSO), Cryptographic Protocols
Intermediate · Course · 1 - 4 Weeks