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.

Board Infinity
Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Swift Programming, Core Data (Software), Mobile Development, Secure Coding, Application Deployment, Scalability, User Interface (UI) Design, UI Components, Integrated Development Environments, Apple software proficiency, User Interface (UI), Back-End Web Development, Debugging, Data Persistence, Data Management, Performance Tuning, Programming Principles
Beginner · Specialization · 1 - 3 Months

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

Logical Operations
Skills you'll gain: Microsoft Project, Management Reporting, Project Management Software, Calendar Management, Performance Reporting, Timelines, Project Schedules, Microsoft 365, Project Controls, Business Reporting, Project Management, Project Management Life Cycle, Project Coordination, Project Performance, Project Scoping, Project Design, Project Planning, Project Estimation, Productivity Software, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Systems Analysis, Technical Support and Services, Virtual Environment, Virtualization and Virtual Machines, System Configuration, Record Keeping, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Autoencoders, Shiny (R Package), Deep Learning, Recurrent Neural Networks (RNNs), Transfer Learning, Convolutional Neural Networks, Fine-tuning, Image Analysis, PyTorch (Machine Learning Library), Artificial Neural Networks, Applied Machine Learning, Tensorflow, Predictive Modeling, Model Optimization, Model Training, Interactive Data Visualization, Time Series Analysis and Forecasting, Model Evaluation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Copywriting, Target Audience, Blogs, Web Content, Search Engine Optimization, Content Creation, Content Optimization, Digital Publishing, Content Marketing, Target Market, WordPress, Digital Content, Content Development and Management, Customer Analysis, Content Management Systems, Digital Marketing, Web Analytics and SEO, Writing, Persuasive Communication, Driving engagement
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Timelines, Project Controls, Project Schedules, Dashboard, Goal Setting, Project Coordination, Dashboard Creation, Collaborative Software, Process Design, Project Performance, Calendar Management, Project Management Software, Project Planning, Project Management, Time Management, Issue Tracking, Project Management Life Cycle, Organizational Skills, Teamwork
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Prompt Engineering, LLM Application, Generative AI Agents, Vibe coding, Agentic Workflows, Agentic systems, Sales Enablement, Large Language Modeling, Email Automation, AI Workflows, Sales Process, Marketing Automation, Sales Development, Lead Generation, AI Integrations, Development Environment, Application Deployment, Web Development Tools
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Loss Prevention, Fraud detection, Asset Protection, Financial Controls, Regulatory Documents, Auditing, Payment Processing and Collection, Accounting, Internal Controls, Transaction Processing, Compliance Auditing, Authorization (Computing), Payment Processing, Verification And Validation, Document Control
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Data Governance, Database Design, Operational Data Store, Data Management, SQL, Relational Databases, Query Languages, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Network Administration, Security Awareness, IT Automation, Chef (Configuration Management Tool), Virtual Private Networks (VPN), JSON, Authentications, Network Engineering, Computer Security Awareness Training, Network Infrastructure, Authorization (Computing), Identity and Access Management, Configuration Management, Cyber Security Policies, Remote Access Systems, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Threat Management, Secure Coding, Vulnerability Assessments, System Configuration, Asset Management, Cloud Security, Patch Management, Cloud Management, Software Development Life Cycle, Asset Protection, Cloud Computing, Change Control, Encryption
Intermediate · Course · 1 - 4 Weeks