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: Phlebotomy, Blood Collection, Urinalysis, Geriatrics, Laboratory Testing, Venipuncture, Electocardiography, Pediatrics, Specimen Collection, Patient Education and Support, Medical Laboratory, Cardiology, Child Health, Medical Assistance, Patient Preparation, Cardiac Dysrhythmia, Diagnostic Tests, Basic Patient Care, Patient Communication, Infection Control
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, Computer Networking, General Networking, Wireless Networks, Network Administration, Network Routing, Network Performance Management, Network Monitoring, Application Security, Network Model, Live Streaming, Software-Defined Networking, Digital Communications, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

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, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
★ 4.7 (254) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Typography, Marketing Materials, Marketing Design, Graphic and Visual Design, Graphic Design, Marketing Collateral, Visual Storytelling, Layout Design, Visual Design, User Feedback, Marketing, Brochures, Digital Design, Adobe Photoshop, Adobe Illustrator, Constructive Feedback, Photo Editing, Design Elements And Principles, Drive Engagement, File Management
★ 4.8 (16) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Responsible AI, Diversity Awareness, Generative AI, Diversity Training, Ethical Standards And Conduct, Diversity Programs, Diversity Equity and Inclusion Initiatives, AI literacy, Cultural Diversity, Artificial Intelligence, Algorithms, Case Studies
★ 4.5 (39) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Data Visualization, Machine Learning Methods, Machine Learning Algorithms, Applied Machine Learning, Scientific Visualization, Machine Learning, Model Training, Statistical Machine Learning, Data Mining, Statistical Methods, Algorithms, Python Programming, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Support, Technical Support and Services, Hardware Troubleshooting, Cloud Computing, Cloud Management, Cloud Services, Cyber Attacks, Cybersecurity, Help Desk Support, System Support, Computer Security Awareness Training, End User Training and Support, Network Support, Cloud Storage, Network Troubleshooting, Computer Hardware, Customer Service, General Networking, Data Storage, Identity and Access Management
★ 4.8 (186) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Security Testing, Patch Management, Cyber Risk, Threat Detection, Cyber Threat Hunting, Application Security, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Dashboard Creation, Cyber Security Strategy, Cyber Governance, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Memory Management, Microarchitecture, Software Development, Hardware Architecture, Debugging, System Software, Secure Coding, Build Tools, Application Security, Computer Architecture, System Configuration, Programming Principles, C (Programming Language), Digital Signal Processing, Application Development
★ 4.7 (210) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Code Reusability, Program Development, Simulations, Interactive Data Visualization, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Network Troubleshooting
★ 4.7 (36) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Informatics, Decision Support Systems, Solution Design, Health Technology, Health Care, Usability Testing, Requirements Elicitation, Electronic Medical Record, User Centered Design
★ 4.5 (109) · Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Regression Analysis, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Mathematical Modeling, Numerical Analysis, Equities, Model Optimization, Python Programming, Algorithms, Case Studies
★ 4.4 (46) · Intermediate · Course · 1 - 3 Months