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: Authentications, Incident Response, Cryptography, Security Controls, MITRE ATT&CK Framework, Malware Protection, Endpoint Security, Key Management, Authorization (Computing), Vulnerability Assessments, Telecommunications, Encryption, Threat Modeling, Risk Management, Application Security, Public Key Infrastructure, Asset Management, Cloud Security, OSI Models, Continuous Monitoring
Beginner · Specialization · 3 - 6 Months

Sungkyunkwan University
Skills you'll gain: Energy and Utilities, Materials science, Thermal Management, Physics, Power Electronics, Sustainable Technologies, Electrical Engineering, Electronics, Sustainable Engineering, Innovation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Python Programming, Programming Principles, Scripting, File I/O, Jupyter, Computer Programming Tools, Scripting Languages
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Water Resource Management, Water Sustainability, Hydrology, Case Studies, Natural Resource Management, Civil Engineering, Climate Change Adaptation, Legal Research, Environmental Laws, Environmental Issue, Cultural Sensitivity, Conflict Management
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Water Sustainability, Water Resource Management, Environmental Engineering, Water Quality, Civil Engineering, Sustainable Engineering, Energy and Utilities, Sustainable Technologies, Climate Change Adaptation, Environment and Resource Management, Biotechnology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ancient History, Social Justice, Cultural Diversity, European History, World History, International Relations, Sociology, Social Impact, Political Sciences, Media and Communications
Beginner · Course · 1 - 3 Months
University of Virginia
Skills you'll gain: Price Negotiation, Market Dynamics, Product Lifecycle Management, Revenue Management, Competitive Analysis, Target Market, Global Marketing, Market Share, Consumer Behaviour, Business Strategy, Product Strategy, Marketing Psychology, Marketing, Cost Accounting, Customer Insights, Customer Analysis, Value Propositions, Strategic Marketing, Economics, Presentations
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Responsible AI, AI Personalization, Sales Enablement, Sales Strategy, Sales Process, Sales Management, Sales Development, Customer experience improvement, Sales Operations, Generative AI Agents, Customer Engagement, Sales, Data-Driven Decision-Making, AI Enablement
Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: Computer Aided Three-Dimensional Interactive Application (CATIA), Drafting and Engineering Design, Mechanical Design, Engineering Drawings, Issue Tracking, Technical Drawing, Mechanical Drawings, Assembly Drawing, 3D Modeling, Computer-Aided Design, Collaborative Software, Document Management, Mechanical Engineering, Product Lifecycle Management, Geometric Dimensioning And Tolerancing, Product Engineering, Microsoft Office, Team Building, 3D Assets, Product Family Engineering
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Mobile Development, React Native, Responsive Web Design, Browser Compatibility, HTML and CSS, Cross Platform Development, Web Design and Development, Javascript, Application Development, Web Development
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, iOS Development, Responsive Web Design, Data Persistence, Data Structures, Object Oriented Programming (OOP), Unit Testing, Transaction Processing, Database Application, User Interface (UI), Application Development, UI Components, Application Programming Interface (API), Data Access, Mobile Development
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Interviewing Skills, Recruitment, Oral Expression, Follow Through, Communication, Business Writing
Beginner · Guided Project · Less Than 2 Hours