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 Minnesota
Skills you'll gain: Treatment Planning, Contraindication, Manual Therapy, Patient Safety, Health Systems, Clinical Practices, Patient Evaluation, Health Promotion, Health Policy, Patient Education And Counseling, Drug Interaction, Patient-centered Care, Regulatory Compliance, Needs Assessment
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Incident Response, Contingency Planning, Disaster Recovery, Computer Security Incident Management, Business Continuity Planning, Incident Management, Crisis Management, Cybersecurity, Business Continuity, Cyber Attacks, Risk Analysis
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Scanning, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, Cyber Security Assessment, System Testing, Security Strategy, Firewall, Cybersecurity, Cloud Security, Exploitation techniques, Microsoft Azure, Virtual Private Networks (VPN), Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Augmented and Virtual Reality (AR/VR), Unity Engine, Augmented Reality, Application Deployment, Cross Platform Development, Virtual Reality, C# (Programming Language), Video Game Development, Virtual Environment, Mobile Development, UI Components, Animation and Game Design, Game Design, User Interface (UI), Development Testing, User Interface and User Experience (UI/UX) Design, Software Development, Software Design
Intermediate · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Package and Software Management, Open Source Technology, Git (Version Control System), Linux, Command-Line Interface, Bash (Scripting Language), File Systems, GitHub, Linux Administration, Version Control, Linux Commands, User Accounts, CI/CD, Unix Commands, Shell Script, grep, Continuous Integration, Operating System Administration, Software Installation, Software Development Tools
Beginner · Specialization · 3 - 6 Months

Dubai College of Tourism
Skills you'll gain: Service Recovery, Service Design, Journey Mapping, Customer experience improvement, Tactfulness, Experience Design, Guest Relations, Professional Development, Verbal Communication Skills, Hospitality Services, Team Performance Management, Communication, Communication Strategies, Customer Service, Hospitality, Service Management, Initiative and Leadership, Team Leadership, Leadership, Operations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LangGraph, AI Orchestration, LLM Application, Agentic Workflows, Generative AI Agents, OpenAI, Tool Calling, Agentic systems, Large Language Modeling, Model Context Protocol, Embeddings, Vector Databases, Python Programming, Document Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, LangChain, LangGraph, Agentic Workflows, AI Security, AI Orchestration, Generative AI, LLM Application, OpenAI, Agentic systems, AI Workflows, Application Deployment, Cloud Deployment, Generative AI Agents, Model Optimization, Token Optimization, Performance Tuning, MLOps (Machine Learning Operations), Model Context Protocol, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Adobe Illustrator, Typography, Layout Design, Graphic and Visual Design, Graphic Design, Design Reviews, Branding, Design Elements And Principles, Graphic and Visual Design Software, Game Design, Visualization (Computer Graphics), Computer Graphic Techniques, Color Theory, Image Quality
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Front-End Web Development, Hibernate (Java), Service Oriented Architecture, Back-End Web Development
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Environmental Laws, Environment, Environmental Policy, Sustainable Development, Environmental Issue, Environment Health And Safety, Environmental Regulations, Environmental Science, Risk Management, Sanitation, Public Health and Disease Prevention, Hazard Analysis, Mitigation, Public Health, Water Resources, Risk Analysis, Water Sustainability, Epidemiology, Water Quality, Water Resource Management
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Target Audience, Digital Brand Strategy, Digital Media Strategy, Social Media, Target Market, Social Media Management, Digital Content, Social Media Strategy, Social Media Content, Marketing, Digital Publishing, Blogs, Content Marketing, Digital Marketing, Business Marketing, Sustainable Business, Business, Student Services
Mixed · Course · 1 - 4 Weeks