Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

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: Query Languages, Database Software, Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphics, Event-Driven Programming, UI Components, Artificial Intelligence, Interaction Design, Scripting Languages
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Python Programming, Computer Programming, Data Science
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: C# (Programming Language), Microsoft Visual Studio, Data Validation, Integrated Development Environments
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Web Applications, Python Programming, Web Servers, API Gateway
★ 4.7 (23) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Containerization, Docker (Software), Microservices, Authentications, OAuth, Integration Testing, .NET Framework, Event-Driven Programming, Software Architecture, Identity and Access Management, Software Design Patterns, Scalability, Authorization (Computing), Transaction Processing
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Access, Command-Line Interface, Big Data, Google Cloud Platform, Query Languages, Data Import/Export
Beginner · Project · Less Than 2 Hours

Skills you'll gain: PyTorch (Machine Learning Library), Reinforcement Learning, Deep Learning, Model Optimization, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Machine Learning Methods, Fine-tuning, Model Training, Machine Learning Algorithms, Machine Learning, Applied Machine Learning, Python Programming, Natural Language Processing, Performance Tuning, Algorithms, Model Evaluation, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Web Design and Development, Web Development, Cloud Deployment, Web Development Tools, Cloud Hosting, Web Content, Rust (Programming Language), Content Management, Cloud Computing, Linux, Software Installation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub, Jenkins, Git (Version Control System), Version Control, Selenium (Software), CI/CD, Test Automation, Test Script Development, Test Data, Unit Testing, Test Case, Software Testing, Test Execution Engine, Python Programming
Advanced · Course · 1 - 3 Months