Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

LearnQuest
Skills you'll gain: Network Performance Management, Software-Defined Networking, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Network Planning And Design, Network Troubleshooting, Network Security, Cyber Security Assessment, Vulnerability Scanning, Continuous Monitoring, Security Management, Patch Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Health Promotion, Media and Communications, Digital Advertising, Social Impact, Behavioral Health, Patient Communication, Program Evaluation, Digital Communications, Persuasive Communication, Public Health, Driving engagement, Instagram, Facebook, Survey Creation, Data Collection
Intermediate · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Professional Networking, Teamwork, LinkedIn, Intellectual Property, Team Building, Collaboration, Professional Development, Communication, Verbal Communication Skills, Productivity, Cultural Responsiveness, Accountability, Conflict Management, Strategic Communication, Self-Awareness, Document Management, Personal Development, Interviewing Skills, Relationship Building, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Collaborative Software, Education Software and Technology, Teaching, Content Creation
Beginner · Guided Project · Less Than 2 Hours

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Data Storytelling, Dashboard, Interactive Data Visualization, Data Visualization Software, Plotly, Exploratory Data Analysis, Tree Maps, Data-Driven Decision-Making, Tableau Software, Matplotlib, Data Analysis, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Data Persistence, Application Design, Application Programming Interface (API), JSON, Typography
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Dashboard, PySpark, Data Pipelines, Business Intelligence, Data Persistence, JSON, Continuous Monitoring, Business Metrics, Data Integrity, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Management and Planning, Employee Performance Management, Performance Review, Team Management, Recruitment, Employee Training, Organizational Structure, Organizational Effectiveness, Delegation Skills
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, Animations, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Network Security, Network Planning And Design, VPN Clients, IT Security Architecture, Virtual Private Networks (VPN), Network Administration, Cyber Security Strategy, Network Architecture, Firewall, Security Controls, Network Monitoring, Intrusion Detection and Prevention, Virtual Local Area Network (VLAN), Threat Management, Threat Detection, Continuous Monitoring, Authentications, Wireless Networks, Authorization (Computing), Incident Response
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Sarbanes Oxley Act (SOX) Compliance, Specialized Accounting, Regulatory Requirements, Financial Regulations, Technical Accounting, Financial Reporting, Financial Statement Analysis, Financial Auditing, Securities (Finance), Investment Management, Financial Analysis, Business Risk Management, Asset Management, Organizational Structure, Consolidation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Deepseek, AI Workflows, LLM Application, Artificial Intelligence, Model Deployment, Large Language Modeling, Deep Learning, Software Installation, Development Environment, System Configuration, Code Review, Analysis
Intermediate · Course · 1 - 3 Months