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.

Logical Operations
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Responsive Web Design, User Interface (UI), User Interface (UI) Design, Web Design and Development, Web Development, Hypertext Markup Language (HTML), Web Design, Browser Compatibility, Web Servers, Web Applications, Front-End Web Development, Web Content, Web Development Tools, Software Development
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms, System Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Unity Engine, User Interface (UI), Android Development, C# (Programming Language), Video Game Development, GitHub, Animation and Game Design, User Interface (UI) Design, Mobile Development, 3D Assets, User Interface and User Experience (UI/UX) Design, Microsoft Visual Studio, System Implementation, Software Installation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Multi-Cloud, Enterprise Architecture, Infrastructure Architecture, Systems Architecture, Terraform, Cloud Deployment, Generative AI, Microservices, Infrastructure as Code (IaC), Data Architecture, Scalability, Site Reliability Engineering, CI/CD, Cost Management, Security Controls, Application Performance Management, Data Pipelines, Governance
Intermediate · Course · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Overcoming Objections, Consultative Selling, Closing (Sales), Sales Strategy, Active Listening, Sales, General Sales Practices, Sales Process, Sales Prospecting, Rapport Building, Empathy, Customer Relationship Management
Mixed · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Sustainable Development, Climate Change Adaptation, Sustainable Design, Sustainable Technologies, Community Development, Governance, Socioeconomics, Water Sustainability, Environment, Sustainable Business, Social Impact, Systems Thinking, Environmental Issue, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Multimedia, Business Modeling, Innovation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Ads, Pay Per Click Advertising, Keyword Research, Marketing Budgets, Online Advertising, Target Audience, Digital Advertising, Paid media, Performance marketing, Campaign Management, Advertising Campaigns, Web Analytics, Budget Management, Forecasting, Performance Analysis, Bidding, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Core Data (Software), Application Design, Swift Programming, Apple Xcode, User Interface (UI), Mobile Development, Data Store, Machine Learning Software, Software Architecture, Performance Tuning, Database Development, Database Management, Software Design, Model View Controller, User Interface and User Experience (UI/UX) Design, Application Development
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Middleware, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Continuous Delivery, Web Services, Software Testing, Test Execution Engine
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaboration, Team Building, Project Coordination, Teamwork, Team Management, Workflow Management, Internal Communications, Delegation Skills, Communication Strategies, Resource Allocation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Amazon CloudWatch, API Design, Amazon Web Services, Microservices, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks