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.

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Application Development, Web Development, Server Side, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Advanced Encryption Standard (AES), Application Security, Public Key Cryptography Standards (PKCS), Secure Coding, Data Security, Web Development, Email Security, PHP (Scripting Language), Algorithms, User Provisioning
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Data Security, Public Key Cryptography Standards (PKCS), Digital Communications
Intermediate · Course · 1 - 4 Weeks
Microsoft
Skills you'll gain: Generative AI, Large Language Modeling, Data Ethics, LLM Application, Prompt Engineering, Responsible AI, Feature Engineering, Artificial Intelligence, Anomaly Detection, Data Synthesis, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, Prompt Patterns, Agentic systems, LangChain, LLM Application, Responsible AI, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Web Development, Web Applications, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Object Oriented Programming (OOP), Data Management, Programming Principles, Unit Testing, Web Development Tools
Beginner · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Data Structures, Data Visualization Software, Financial Data, Financial Analysis, Data Analysis, Debugging, Programming Principles, Python Programming, Data Manipulation, File Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Unix Commands, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, System Monitoring, Operating Systems, Network Monitoring, Graphical Tools
Beginner · Course · 1 - 3 Months

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Cyber Governance, Incident Management, Incident Response, Security Management, Cyber Security Strategy, Cyber Security Policies, Human Factors (Security), Security Awareness, Cybersecurity, ISO/IEC 27001, Cyber Risk, Security Strategy, Risk Management Framework, Human Factors
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java, Java Programming, File Management, Application Development, Programming Principles, Program Development, Application Design, Data Structures, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Test Tools, Prompt Engineering, Version Control, Debugging, Google Gemini, Software Design Patterns, Object Oriented Design, Responsible AI, Software Testing, Object Oriented Programming (OOP), GitLab, ChatGPT, Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, GitHub, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Object Oriented Design, Computational Thinking, Programming Principles, Algorithms, Software Architecture, Computer Programming, Python Programming, Model View Controller
Beginner · Course · 1 - 4 Weeks