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 Florida
Skills you'll gain: Nutrition and Diet, Nutritional Assessment, Preventative Care, Behavior Management, Anatomy, Vital Signs, Physiology, Sensory Systems Analysis, Infectious Diseases, First Aid, Ancient History
★ 4.9 (997) · Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Immigration Law, Legal Proceedings, Law, Regulation, and Compliance, Family Law, Adjudication, Diversity Programs
★ 4.9 (226) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Identity and Access Management, Virtual Networking, Network Monitoring, Google Cloud Platform, Network Administration, Virtual Private Networks (VPN), General Networking, Network Troubleshooting, Network Security, Network Routing, Cloud Computing, Security Controls, Cloud Security, Firewall, Role-Based Access Control (RBAC), Cloud Management, Key Management, Load Balancing, DevOps, Automation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Probability & Statistics, Statistical Analysis, Advanced Mathematics, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Applied Mathematics, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Memory Management, C (Programming Language), Embedded Systems, Software Visualization, Computer Engineering, Embedded Software, Computer Programming, Programming Principles, Data Structures, Linux
★ 4.7 (67) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Database Management, Database Architecture and Administration, Apache Hadoop, Database Theory, Query Languages, Database Management Systems, Big Data, Databases, SQL, Data Access, Distributed Computing, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Digital Assets, Financial Inclusion, Transportation, Supply Chain, and Logistics, Plan Execution, Supply Chain, Governance, Supply Chain Management, Business Transformation, FinTech, Supply Chain Systems, Business Analysis, Market Opportunities, Competitive Analysis, Interoperability, Business Leadership, Strategic Partnership, Emerging Technologies, Strategic Leadership, Stakeholder Analysis
★ 4.7 (72) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Docker (Software), Containerization, Application Deployment, Command-Line Interface, Development Environment, Nginx, Software Installation, Node.JS, Virtual Machines, React.js
★ 4.6 (37) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Cost Accounting, Accounting Systems, Supply Chain, Cost Benefit Analysis, Accounting, Financial Accounting, Cost Management, Process Improvement, Decision Making
★ 4.7 (1.4K) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Script Development, Mobile Development Tools, Test Tools, Performance Stress Testing, Test Planning, Frontend Performance
★ 3.7 (111) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Server Side, Back-End Web Development, Full-Stack Web Development, JavaScript Frameworks, JSON, Web Servers, Authentications, Web Applications, API Design, Web Development, Postman API Platform, Package and Software Management, Model View Controller, Application Programming Interface (API), Web Services, Authorization (Computing), Javascript, Computer Science
★ 4.5 (628) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Request for Proposal, Presentations, Technical Communication, Persuasive Communication, Proposal Writing, Oral Expression, Proposal Development, Technical Writing, Intercultural Competence, Public Speaking, Verbal Communication Skills, Design Thinking, Communication, Teamwork, Communication Strategies, Concision, Communication Planning, Innovation, Professional Development, Target Audience
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks