Recommender systems courses can help you learn collaborative filtering, content-based filtering, and hybrid approaches to personalization. You can build skills in data analysis, user behavior modeling, and algorithm evaluation. Many courses introduce tools like Python libraries such as Scikit-learn and TensorFlow, that support implementing machine learning algorithms, as well as frameworks for managing large datasets and user interactions.

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Git (Version Control System), Front-End Web Development, Browser Compatibility, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Wireless Networks, Network Performance Management, Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Ansible, Network Administration, Firewall, Software-Defined Networking, Network Planning And Design, Network Infrastructure, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption
Advanced · Course · 3 - 6 Months

Starweaver
Skills you'll gain: Responsible AI, AI Security, LLM Application, Threat Detection, Threat Modeling, Cyber Threat Intelligence, Cyber Threat Hunting, Generative AI Agents, Agentic Workflows, Agentic systems, Incident Response, Cyber Governance, Cyber Security Strategy, Data Ethics, Cyber Operations, AI Orchestration, Cybersecurity, Cyber Security Assessment, Risk Mitigation, Technology Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Design, Back-End Web Development, Secure Coding, Data Security, Application Programming Interface (API), Restful API, IT Infrastructure, Infrastructure Security, Application Security, Data Integrity, Servers, Cloud Security, Server Administration, Web Servers, Encryption, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Miro AI, Customer Engagement, Responsible AI, AI Product Strategy, No-Code Development, Customer experience improvement, Email Automation, Customer Service, Customer Analysis, Automation, Generative AI, Customer Data Management, Customer Communications Management, Customer Relationship Management (CRM) Software, Customer Support, Workflow Management, Artificial Intelligence, Customer and Client Support, Agentic systems, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Timelines, Productivity Software, Project Management Software, Information Architecture, Project Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Application Programming Interface (API), GraphQL, API Design, Restful API, Postman API Platform, Ajax, OAuth, Frontend Integration, Software Documentation, Authentications, Debugging, Real Time Data, Systems Integration, JSON, Authorization (Computing), Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Teams, Meeting Facilitation, Team Motivation, Collaborative Software, Collaboration, Team Management, Team Leadership, Team Building, Telecommuting, Teamwork, Rapport Building, Team Performance Management, Conflict Management, Communication Strategies, Communication, Productivity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Animations, Responsive Web Design, Prototyping, UI Components, Interaction Design, Mockups, User Experience Design, User Interface (UI) Design, User Flows, Collaborative Software
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Scalability, Performance Analysis, Simulations, Algorithms, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Architecture, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Education Software and Technology, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unix, Unix Commands, Network Protocols, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Linux, Operating Systems, Network Security
Intermediate · Course · 1 - 4 Weeks