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.
University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Presentations, Public Speaking, Discussion Facilitation, Non-Verbal Communication, Oral Comprehension, English Language, Peer Review, Active Listening, Communication, Social Skills, Constructive Feedback, Interpersonal Communications, Persuasive Communication, Driving engagement, Student Engagement, Collaboration, Planning, Critical Thinking, Vocabulary
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Computer Systems, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, Servers, Security Awareness, Computer Hardware, Information Systems Security, Computer Architecture, Data Storage, Patch Management, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, AI Orchestration, Model Deployment, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, CrewAI, Agentic Workflows, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Agentic systems, OpenAI, Systems Integration, Tool Calling, Google Gemini, Workflow Management, Automation, Prompt Engineering, Responsible AI
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Networking Hardware, TCP/IP, Network Security, Network Protocols, Endpoint Detection and Response, Network Routing, Cybersecurity, Local Area Networks, Dynamic Host Configuration Protocol (DHCP), Firewall, General Networking, Information Systems Security, Intrusion Detection and Prevention, Endpoint Security, Network Infrastructure, Network Planning And Design, Wireless Networks, Security Information and Event Management (SIEM), Network Analysis, Data Loss Prevention
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Blogs, Competitive Analysis, Quality Assessment, Relationship Building, Content Strategy, Content Creation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard, Business Analytics, Business Intelligence, Extract, Transform, Load, Performance Analysis, Data Transformation, SQL, Automation, Data Management, Version Control
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Oral Comprehension, Learning Management Systems, Education Software and Technology, Digital pedagogy, Teaching, Writing, Literacy, Technology Strategies, Grammar, English Language, Language Competency, Language Learning, digital literacy, Vocabulary, Innovation
Beginner · Specialization · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Innovation, Creativity, Brainstorming, Process Development, Design Thinking, Organizational Leadership, Product Development, Diversity and Inclusion, Product Lifecycle Management, Team Management, Business Strategy, Lean Methodologies
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Video Game Development, Game Design, Unity Engine, Software Design Documents, Design, Experience Design, Usability, Prototyping, Storytelling, Creativity
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electronic Systems, Electrical Engineering, Control Systems, Electronics Engineering, Electronics, Simulations, Mathematical Modeling, Engineering Analysis, Systems Design, Verification And Validation, Systems Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Enterprise Architecture, Apache Kafka, Data Architecture, Generative AI, Data Infrastructure, Root Cause Analysis, Dataflow, Solution Architecture, Data Quality, Data Pipelines, Software Architecture, Data Integration, Cloud Storage, Data Storage, Failure Analysis, Data Processing, Dependency Analysis, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Excel Macros, Microsoft Windows, Productivity Software, Document Management, Writing and Editing, Computer Literacy, Business Writing, Technical Documentation, Web Content, Proofreading, Collaborative Software, Writing, Collaboration, Editing, Web Content Accessibility Guidelines, Report Writing, Business Communication, Productivity
Beginner · Specialization · 3 - 6 Months