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 Michigan
Skills you'll gain: Instructional Design, Adult Learning Principles, Teaching, Patient Education And Counseling, Learning Theory, Health Education, Digital pedagogy, Learning Styles, Clinical Assessment, Creativity, Technology Strategies
Intermediate · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Environmental Monitoring, Environmental Regulations, Environment, Taxonomy, Geospatial Information and Technology, Environmental Science, Spatial Data Analysis, Research, Scientific Visualization, Data Literacy, Biology, Data Visualization, Physics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Photography, Adobe Photoshop, Color Theory, Image Quality, Adobe Creative Cloud, Data Import/Export, Editing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Database Design, Database Management Systems, Relational Databases, Database Theory, Databases, Database Architecture and Administration, Data Modeling, Data Integrity, Diagram Design
Beginner · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Usability Testing, Wireframing, Information Architecture, User Interface (UI) Design, UI Components, User Experience Design, Prototyping, User Research, Design Research, Style Guides, Design Elements And Principles, Responsive Web Design, Verification And Validation
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Technical Writing, Technical Documentation, Software Documentation, Technical Communication, Layout Design, Writing and Editing, Writing, Collaborative Software, Graphic and Visual Design, Augmented and Virtual Reality (AR/VR), Typography, Proofreading, Multimedia, Web Content Accessibility Guidelines, Content Management, GitHub, Version Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Cloud Security, DevSecOps, Cloud Computing, Google Cloud Platform, Network Security, Cloud Infrastructure, Data Security, Cloud Computing Architecture, IT Automation, General Networking, Cloud Technologies, Computer Networking, Infrastructure Security, Cybersecurity, Security Controls, Infrastructure as Code (IaC), Digital Transformation
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Cultural Diversity, World History, European History, Labor Law, Music History, Social Justice, Immigration Law, Art History, Socioeconomics, Economics
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Manufacturing Processes, Engineering Design Process, Computer-Aided Design, Design Strategies, Prototyping, Production Process, Design, 3D Modeling, Materials science
Intermediate · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Control Systems, Matlab, System Design and Implementation, Engineering Calculations, Engineering Analysis, Mathematical Modeling, Systems Analysis, Simulations, Engineering Design Process
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Mechanics, Mechanical Engineering, Engineering Analysis, Physics, Engineering Calculations, Differential Equations, Integral Calculus, Calculus
Intermediate · Course · 3 - 6 Months