Coding courses can help you learn programming languages like Python, Java, and JavaScript, as well as concepts such as algorithms, data structures, and web development. You can build skills in debugging, version control, and software testing, which are crucial for creating efficient code. Many courses introduce tools like Git for version control, integrated development environments (IDEs) like Visual Studio Code, and frameworks such as React or Django, showing how these skills are applied in real projects.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Convolutional Neural Networks, Model Evaluation, Applied Machine Learning, Deep Learning, Model Training, Computer Vision, Artificial Neural Networks, Machine Learning Methods, Data Preprocessing, Data Processing, Performance Tuning, Regression Analysis, Network Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Game Development, Game Design, Rust (Programming Language), Algorithms, Application Programming Interface (API), Programming Principles, Data Structures, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Frontend Performance, TypeScript, Server Side, Web Development, Build Tools
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Framework, Version Control, Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java Programming, Java, Software Configuration Management, Software Documentation, Development Environment, JUnit, Restful API, Application Performance Management, Model View Controller, Back-End Web Development, User Accounts, Authentications, Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Application Security, Web Development Tools, Software Design Patterns, Exploit development, Web Applications, Code Reusability, Authorization (Computing), Security Controls, Object Oriented Programming (OOP), Transaction Processing
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java Programming, Data Structures, Java, Data Persistence, Programming Principles, Data Store, Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Torque (Physics), Game Design, Video Game Development, Mechanics, Event-Driven Programming, Simulation and Simulation Software, Simulations, Computer Graphics, Mathematical Modeling, Physics, Scripting, Linear Algebra
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Web Development, Performance Testing, System Programming
Intermediate · Course · 3 - 6 Months

Edureka
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Application Security, Vulnerability Scanning, Risk Mitigation, Cyber Security Assessment, Vulnerability Management, Cyber Attacks, Security Engineering, Risk Analysis, Web Applications, Security Awareness, Computer Security, Security Management, Cyber Security Strategy, Authentications, Software Development, Linux, Linux Commands
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Apple iOS, iOS Development, Open Web Application Security Project (OWASP), Swift Programming, Role-Based Access Control (RBAC), Vulnerability Assessments, Mobile Security, Software Testing, Mobile Development, Development Testing, Secure Coding, Authentications, Unit Testing, Application Security, Encryption, Knowledge of Apple Hardware, Security Testing, IT Security Architecture, Network Security, Mobile Development Tools
Intermediate · Specialization · 1 - 3 Months