Computer courses can help you learn programming languages like Python and Java, data structures, algorithms, and web development fundamentals. You can build skills in software design, debugging, and database management, along with understanding cybersecurity principles. Many courses introduce tools such as Git for version control, SQL for database queries, and frameworks like React for building user interfaces, demonstrating how these skills are applied in real-world projects.
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, FinTech, Data Sharing, Public Key Infrastructure, Transaction Processing, Key Management, Fraud detection, Distributed Computing, Payment Systems, Data Integrity, Network Model, Emerging Technologies, Digital Assets, Authentications, Data Security, Information Privacy, Digital Transformation
★ 4.1 (234) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Database Systems, Relational Databases, Databases, Database Architecture and Administration, Database Management, Data Storage Technologies, Data Storage, Transaction Processing, Data Modeling, Diagram Design
★ 4.6 (478) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Object Oriented Programming (OOP), Pandas (Python Package), Plot (Graphics), Data Structures, Unit Testing, Object Oriented Design, Python Programming, File I/O, Data Visualization Software, Algorithms, Interactive Data Visualization, Machine Learning Methods, Computational Thinking, Programming Principles, Computer Programming, Program Development
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, Geospatial Information and Technology, GIS Software, Spatial Analysis, Data Literacy, Data Analysis, Image Analysis, Data Processing, Data Preprocessing, NumPy, Data Validation, Metadata Management, Data Collection, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, AI Integrations, Tool Calling, Large Language Modeling, Software Design Patterns, Memory Management
★ 4.8 (85) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Swift Programming, Object Oriented Design, Object Oriented Programming (OOP), Data Structures, iOS Development, Apple iOS, Programming Principles, Mobile Development, Software Design Patterns, Data Management, Software Architecture, Code Reusability, Computational Logic, Development Environment
★ 4.3 (733) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Responsible AI, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Governance, Cyber Governance, Law, Regulation, and Compliance, Information Privacy, Regulation and Legal Compliance, Data Governance, Data Security, Machine Learning, Computer Security, Risk Management Framework
★ 4.6 (240) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Support, Technical Support and Services, Hardware Troubleshooting, Cloud Computing, Cloud Management, Cloud Services, Cyber Attacks, Cybersecurity, Help Desk Support, System Support, Computer Security Awareness Training, End User Training and Support, Network Support, Cloud Storage, Network Troubleshooting, Computer Hardware, Customer Service, General Networking, Data Storage, Identity and Access Management
★ 4.8 (186) · Intermediate · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Routing Protocols, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Remote Access Systems, Network Security, Network Administration, Virtual Networking, Cyber Security Policies, Security Controls, User Accounts, System Configuration, Network Monitoring
★ 4.7 (96) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
★ 4.8 (72) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Training, MLOps (Machine Learning Operations), Software Visualization, Grafana, Code Reusability, Performance Metric, Data Pipelines, Performance Analysis, Collaborative Software
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Maintainability, Software Design Patterns, Computer Programming, Software Design, UI Components, C and C++, Program Development, JUnit, User Interface (UI), Programming Principles, Network Model, Data Access, Application Development, Event-Driven Programming, File I/O, Data Structures
★ 4.7 (209) · Intermediate · Course · 1 - 3 Months