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.

Skills you'll gain: Network Protocols, Communication Systems, Internet Of Things, Electronic Components, Wireless Networks, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Debugging, Git (Version Control System), C# (Programming Language), .NET Framework, Development Environment, Integrated Development Environments, Program Development, Microsoft Development Tools, Software Development Tools, Configuration Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Negotiation, Conflict Management, Leadership, Mediation, Strategic Leadership, Relationship Management, Stakeholder Analysis, Case Studies, Stakeholder Management, Cultural Sensitivity, Complex Problem Solving, Strategic Decision-Making, Influencing, Collaboration
Intermediate · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Data Presentation, Data Storytelling, Technical Communication, Technical Writing, Data Literacy, Communication, Writing, Generative AI, Responsible AI
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Generative AI Agents, Email Automation, Vibe coding, Agentic Workflows, Agentic systems, AI Workflows, AI Orchestration, Sales Process, Marketing Automation, HubSpot CRM, Sales Enablement, Sales Pipelines, Software As A Service, Sales Development, Lead Generation, Business Development, Prompt Engineering, New Business Development, Application Deployment, Campaign Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Promotional Strategies, Developing Training Materials, Marketing Materials, Design Elements And Principles, Marketing Collateral, Promotional Materials, Product Promotion, Creative Design, Design, Graphic and Visual Design, Product Planning, Product Knowledge, Graphic Design, Selling Techniques, Sales
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Drive Engagement, Social Media Marketing, Social Media, Social Media Content, Social Media Strategy, Growth Strategies, Marketing Design
Beginner · Guided Project · Less Than 2 Hours

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

EDUCBA
Skills you'll gain: Color Theory, Cascading Style Sheets (CSS), Typography, HTML and CSS, Web Design, Web Content Accessibility Guidelines, Semantic Web
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animations, 3D Assets, Game Design, Video Game Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Anomaly Detection, Model Deployment, Google Cloud Platform, Cloud Deployment, Image Analysis, Predictive Analytics, Computer Vision
Beginner · Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Cybersecurity, Cyber Attacks, Cryptography, Information Systems Security, Cyber Security Policies, Encryption, Data Security, Network Security, Security Controls, Network Protocols, Threat Modeling, Security Strategy, Personally Identifiable Information, Data Storage, Zero Trust Network Access, Governance Risk Management and Compliance
Mixed · Course · 1 - 3 Months