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.

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Mobile Development, Kotlin, User Interface (UI), UI Components, User Interface (UI) Design, Cross Platform Development, Event-Driven Programming, Animations, Extensible Markup Language (XML)
★ 4.6 (156) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, Web Applications, Hypertext Markup Language (HTML), Web Development, Development Environment
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Artificial Neural Networks, Applied Machine Learning, Deep Learning, Linear Algebra, Machine Learning, Digital Signal Processing, Data Processing, Data Structures, Data Transformation, Algorithms, Data Science
★ 3.3 (24) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Model Deployment, Responsible AI, MLOps (Machine Learning Operations), Fine-tuning, PyTorch (Machine Learning Library), AI Security, Application Deployment, Model Training, AI Workflows, Model Evaluation, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Generative AI, Scalability, Large Language Modeling, Machine Learning, LLM Application, Application Programming Interface (API), Data Governance
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Cascading Style Sheets (CSS), Test Data
★ 4.7 (39) · Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Software Design Documents, Prototyping, Video Game Development, Software Documentation, Conceptual Design, Ideation, Usability Testing, Peer Review
★ 4.8 (40) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Malware Protection, Linux Commands, Operating System Administration, Endpoint Security, Security Awareness, Hardening, Active Directory, Security Controls, Computer Security Awareness Training, Network Administration, System Configuration, Systems Administration, Enterprise Application Management, Cloud Deployment, Multi-Factor Authentication, Windows Servers, Cloud Services, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: R (Software), Data Manipulation, Web Scraping, R Programming, Data Analysis, Data Science, Data Structures, Data Import/Export, Programming Principles, Jupyter, File I/O, Integrated Development Environments, Development Environment
★ 4.5 (623) · Beginner · Course · 1 - 3 Months

Skills you'll gain: User Research, UI/UX Research, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Experience, UI/UX Strategy, Persona (User Experience), User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Graphic and Visual Design, Interactive Design, Interaction Design, Layout Design, Design Elements And Principles, Typography, Prototyping
★ 4.3 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Event-Driven Programming, Database Development, Front-End Web Development, Python Programming, Database Management, Restful API, Object-Relational Mapping, SQL
★ 4.2 (25) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Spring Boot, Java, Java Programming, Hypertext Markup Language (HTML)
★ 4.6 (97) · Beginner · Specialization · 3 - 6 Months