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: Data Analysis Expressions (DAX), Real Time Data, Dataflow, Extract, Transform, Load, Business Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Music, Empathy & Emotional Intelligence, Culture, Psychology, Neurology, Anatomy, Science and Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Data Modeling, Data Structures, Scripting, Object Oriented Programming (OOP), Python Programming, Software Design, Computer Programming, Software Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), iOS Development, Data Store, Maintainability, User Interface and User Experience (UI/UX) Design, Software Design, Cloud Storage, Data Validation
Intermediate · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Culture, Social Sciences, Liberal Arts, World History, Ancient History, Research, Political Sciences, Psychology, Economics, Governance
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Technical Communication, AI Enablement, Model Deployment, Generative AI Agents, Data Integration, AI Orchestration, Business Transformation, Cloud Deployment, Initiative and Leadership, Application Deployment, AI Product Strategy, Digital Transformation, Continuous Monitoring, Agentic systems, Compliance Management, Stakeholder Communications, Regulatory Compliance, Dashboard, CI/CD, Data Pipelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Development Environment, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaboration, Educational Materials, Instructional Design, Visualization (Computer Graphics), Laboratory Experience, Constructive Feedback, Learning Strategies, Experimentation, Physics, Scientific Methods, Investigation
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Data Modeling, Microsoft Visual Studio, Program Development, Programming Principles, Object Oriented Programming (OOP), .NET Framework, Computer Programming
Intermediate · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Therapy, Medical Records, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Electocardiography, Laboratory Testing, Physiology
Beginner · Course · 1 - 4 Weeks

Tally Education and Distribution Services Private Limited
Skills you'll gain: Accounts Payable and Receivable, Accounting Software, Bookkeeping, Budgeting, Inventory Management System, Order Management, Accounting, Inventory Control, Cost Management, Financial Reporting, Sales Support, Profit and Loss (P&L) Management, Financial Accounting
Intermediate · Course · 1 - 3 Months