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 Colorado Boulder
Skills you'll gain: Constructive Feedback, Recognizing Others, Team Motivation, Tactfulness, Performance Review, Performance Management, Employee Performance Management, Staff Management, Emotional Intelligence, Coaching, Creativity, Communication
Beginner · Course · 1 - 3 Months
Skills you'll gain: Scenario Testing, Energy and Utilities, Mathematical Modeling, Predictive Analytics, Experimentation, Laboratory Experience, Google Gemini, Predictive Modeling, Data-Driven Decision-Making, Forecasting, Data Modeling, Analytics, 3D Modeling, Simulation and Simulation Software, Simulations, Waste Minimization, Sustainable Technologies, Data Visualization, Artificial Intelligence, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

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

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: 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

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

The University of Edinburgh
Skills you'll gain: Sustainable Development, Cooperation, Discussion Facilitation, Collaboration, Research, Community Development, Creative Thinking, Community Outreach, Climate Change Adaptation, Student Engagement, Environmental Policy, Climate Change Mitigation, Education and Training
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Hardware Architecture, Microarchitecture, Computer Architecture, Data Structures, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Materials science, Mechanical Engineering, Failure Analysis, Semiconductors, Process Control, Chemical Engineering
Intermediate · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Time Management, Productivity, Growth Mindedness, Sales Development, Professional Development, Goal Setting, Prioritization, Professionalism, Collaboration, Personal Development, Teamwork, Sales, Performance Metric, Constructive Feedback, Self-Awareness, Stress Management, Accountability
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

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Digital Media Strategy, Social Media Management, Facebook, Content Marketing, Instagram, LinkedIn, Digital Marketing, Marketing, Social Media, Target Audience, Marketing Strategies, Advertising Campaigns, Social Media Campaigns, Social Media Strategy, Digital Content, Digital Advertising, Web Analytics, Brand Awareness, B2B Sales
Beginner · Specialization · 3 - 6 Months