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.

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Game Design, Software Design Patterns, Database Management, Program Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Software Development Tools, Java, Computer Programming Tools, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Virtual Machines, Computing Platforms, Algorithms
★ 4.4 (640) · Beginner · Course · 1 - 4 Weeks

EDUCBA
★ 5 (12) · Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Apache Spark, Apache Hadoop, Application Design, User Interface (UI), Distributed Computing, Programming Principles, Leaflet (Software), Big Data, Data Processing, Software Design, Data Structures, Software Design Patterns, Functional Design, Object Oriented Design, Data Manipulation, Object Oriented Programming (OOP), Interactive Data Visualization, Scientific Visualization, Algorithms
★ 4.7 (11K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Code Reusability, Program Development, Simulations, Interactive Data Visualization, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Network Troubleshooting
★ 4.7 (44) · Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Software Development
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Embedded Software, Embedded Systems, C (Programming Language), System Programming, Microarchitecture, Hardware Architecture, Software Design, C and C++, Computer Architecture, Maintainability, Event-Driven Programming, Debugging, Computer Hardware, Memory Management, Code Reusability, Secure Coding, Programming Principles, Data Structures, Peripheral Devices, Data Storage
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Computational Thinking, Data Structures, Design Strategies, Quantum computing, Applied Mathematics, Python Programming, Analysis
★ 4.7 (277) · Advanced · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Swift Programming, iOS Development, Apple Xcode, Mobile Development, Objective-C (Programming Language), Object Oriented Programming (OOP), Memory Management, Application Development, Development Environment, Programming Principles, Integrated Development Environments, Image Analysis, Computer Programming, Functional Design
★ 3.9 (1.4K) · Mixed · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
★ 3.3 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Python Programming, Computational Thinking, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Code Reusability, Data Structures, Data Processing, Computer Graphics, Data Manipulation, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), z/OS, Mainframe Computing, IBM DB2, Debugging, Mainframe Technologies, Middleware, Job Control Language (JCL), Software Development, Performance Tuning, Development Testing, Maintainability, Microsoft Visual Studio, IBM WebSphere MQ, Development Environment, Program Development, Programming Principles, Computer Programming, Code Reusability, Data Modeling
★ 4.6 (192) · Intermediate · Course · 3 - 6 Months