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 Illinois Urbana-Champaign
Skills you'll gain: Nutrition Education, Nutrition and Diet, Public Policies, Public Health, Health Policy, Policy Analysis, Health Equity, Policy Development, Community Health, Program Evaluation, Advocacy
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Training Programs, Education and Training, Smart Goals, Community Health, Train The Trainer, Patient Education And Counseling, Educational Materials, Health Education, Adult Education, Needs Assessment, Planning, Supervision
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Illustrator, Graphic and Visual Design, Color Theory, Adobe Creative Cloud, Creative Design, Visualization (Computer Graphics), Design Elements And Principles, Graphic Design, Design, Visual Design
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Virtualization, Platform As A Service (PaaS), Containerization, Cloud-Native Computing, Serverless Computing, Cloud Infrastructure, Network Security, Cloud Computing, Amazon Web Services, Cloud Management, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtual Machines, Network Troubleshooting, Cloud Platforms, Hyper-V, Software-Defined Networking, Cloud Security, Network Administration
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, TCP/IP, Internet Of Things, Network Security, Threat Detection, Network Monitoring, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Containerization
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Game Design, Video Game Development, Live Streaming, Animation and Game Design, Systems Thinking, Aesthetics, Social Sciences, Economics, Policy, and Social Studies, Liberal Arts, Culture, Education and Training, Social Impact, Electronic Media, Psychology, Interactive Learning, Storytelling, User Experience, Media Strategy, Critical Thinking, Digital Media Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Architecture and Administration
Advanced · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Computer Security Incident Management, Cyber Threat Hunting, Cyber Attacks, Cybersecurity, Cyber Operations, Continuous Monitoring, Event Monitoring, Disaster Recovery, Incident Management, Security Information and Event Management (SIEM), Threat Detection, Cloud Security, Security Controls, Threat Management, System Monitoring, IT Automation, Record Keeping, Problem Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Content Creation, Social Media, Creative Design, Graphical Tools, Design, Graphic Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Presentation, Product Knowledge, Selling Techniques, Target Audience, Customer Relationship Building, Sales Prospecting, Verbal Communication Skills, Closing (Sales), Business-To-Consumer, Sales, Communication, Customer Analysis, Sales Strategy, Customer Engagement, Product Demonstration, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Administration, Infrastructure Security, Ansible, Firewall, Network Infrastructure, Security Controls, Wireless Networks, Network Monitoring, Computer Networking, Identity and Access Management, Authorization (Computing), Scripting, Authentications, Automation, Encryption, Data Modeling, Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

IIMA - IIM Ahmedabad
Skills you'll gain: Digital Transformation, Innovation, Business Transformation, Organizational Strategy, Artificial Intelligence, Technology Strategies, Organizational Change, Cognitive flexibility, Industrial and Organizational Psychology, Emotional Intelligence, Decision Making
Beginner · Course · 1 - 3 Months