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: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
★ 3.8 (456) · Intermediate · Course · 1 - 4 Weeks

IBM
Skills you'll gain: COBOL (Programming Language), Debugging, Program Development, Programming Principles, Development Testing, Software Testing, Computer Programming, Maintainability, Business Logic
★ 4.2 (69) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Back-End Web Development, Program Development, Algorithms, Programming Principles, Debugging, Computational Thinking, Diagram Design, C# (Programming Language), Code Reusability, Version Control, GitHub, Git (Version Control System), Computational Logic, Microsoft Copilot
★ 4.5 (135) · Beginner · Course · 1 - 3 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
★ 4.7 (419) · Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Data Visualization Software, Plot (Graphics), Package and Software Management, Python Programming, Data Cleansing, Data Mapping, Code Reusability, Software Installation, Data Processing, Data Integration, Data Import/Export, Program Development, Data Structures, Software Documentation
★ 4.6 (549) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, Microsoft Copilot, Power Platform Architecture & Technical Design, AI Enablement, OpenAI API, Generative AI Agents, OpenAI, ChatGPT, Microsoft Azure, Artificial Intelligence, Generative AI, Registration, Prompt Engineering, AI Integrations, AI Workflows, Image Analysis, Power BI, Automation, Computer Vision, Data Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Code Reusability, Python Programming, Computer Programming, Programming Principles, Software Development
★ 4.6 (119) · Beginner · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Cryptography, Cryptographic Protocols, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Key Management, Public Key Infrastructure, Mobile Security, Data Integrity
★ 4.6 (77) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Data Management, User Interface (UI), Human Computer Interaction, Event-Driven Programming, Network Model, Geographic Information Systems, Interactive Design, Geospatial Information and Technology, Data Storage, Animations, Computer Programming, Computer Graphics
★ 4.7 (172) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
★ 4.5 (407) · Advanced · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Computational Logic, Deductive Reasoning, Combinatorics, Logical Reasoning, Mathematical Modeling, Operations Research, Theoretical Computer Science, Mathematical Software, Applied Mathematics, Algorithms, Linear Algebra, Model Optimization, Verification And Validation, Arithmetic
★ 4.8 (45) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Prompt Engineering, Timelines, Email Automation, Microsoft Power Automate/Flow, Setting Appointments, Calendar Management, Automation, Microsoft 365, Generative AI, ChatGPT, Collaborative Software, Business Process Automation, Artificial Intelligence, Project Management Software, Time Management, Productivity, Personal Development, Natural Language Processing, Communication
★ 4.6 (1.8K) · Intermediate · Specialization · 1 - 3 Months