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: Penetration Testing, Lightweight Directory Access Protocols, Active Directory, Windows PowerShell, Open Web Application Security Project (OWASP), Exploitation techniques, Security Testing, API Testing, Vulnerability Scanning, Cloud Security, Windows Servers, Cyber Security Assessment, Azure Active Directory, IT Automation, Scripting, Application Programming Interface (API), Microsoft Azure, Vulnerability Assessments, MySQL Workbench, Cloud Computing
Intermediate · Course · 3 - 6 Months

Peking University
Skills you'll gain: C (Programming Language), Programming Principles, Computer Science, Computer Architecture, Computer Programming, Theoretical Computer Science, Data Structures, Computational Thinking, Algorithms, Emerging Technologies
Mixed · Course · 3 - 6 Months

Skills you'll gain: Regression Analysis, Exploratory Data Analysis, Model Evaluation, Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Machine Learning, Data Preprocessing, Deep Learning, Statistical Analysis, Data Analysis, Artificial Neural Networks, Data Import/Export, Matplotlib, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Patient Preparation, Health And Wellness Coaching, Responsible AI, Empathy & Emotional Intelligence, Model Evaluation, User Acceptance Testing (UAT), Artificial Intelligence, Crisis Intervention, Risk Analysis, Technical Communication, Decision Making
Beginner · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Language Interpretation, Translation, and Studies, Ancient History, Liberal Arts, Language Learning, World History, Literacy
Mixed · Course · 1 - 3 Months

Nanyang Technological University, Singapore
Skills you'll gain: Systems Thinking, Forecasting, Jupyter, Network Analysis, Social Network Analysis, Sustainable Systems, Mathematical Modeling, Time Series Analysis and Forecasting, Analytical Skills, Simulations, Policy Analysis, Environmental Science, Critical Thinking, Probability Distribution
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Digital Transformation, Health Technology, Public Health, Medical Privacy, Health Systems, Health Care, Data Governance, Interoperability, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, System Design and Implementation, Java, Systems Design, Service Oriented Architecture, Software Design, Performance Tuning, Authentications, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Presentations, User Flows, Wireframing, HTML and CSS, Application Deployment, Frontend Performance, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: QuickBooks (Accounting Software), Expense Reports, Expense Management, Accounting Software, Bookkeeping, Accounting Records, Record Keeping, Accounting, Small Business Accounting, Accounts Payable, General Ledger, Transaction Processing, Financial Accounting, General Accounting, Financial Reporting, Data Entry
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: WordPress, Content Management Systems, Web Content, Web Design and Development, Web Design, Web Development, Blogs, Social Media, Content Management, Marketing, Design, Computer Science
Advanced · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Penetration Testing, Threat Modeling, Exploit development, Open Web Application Security Project (OWASP), Application Security, Cyber Security Assessment, Patch Management, Cybersecurity, Data Ethics, Cyber Engineering, Technical Communication, Technical Writing
Beginner · Course · 3 - 6 Months