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.

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side
★ 4.6 (82) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Plot (Graphics), Pandas (Python Package), Data Persistence, NumPy, Scripting, Object Oriented Programming (OOP), Python Programming, Query Languages, Databases, Object Oriented Design, Data Import/Export, Data Access, File Management
★ 4.4 (21) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
★ 4.5 (112) · Beginner · Guided Project · Less Than 2 Hours

Nikolai Schuler
Skills you'll gain: Data Warehousing, Data Transformation, Data Import/Export, Database Management Systems, Query Languages, SQL, Cloud Computing Architecture, Database Management, Data Management, Amazon S3, Data Analysis
★ 4.5 (33) · Beginner · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Go (Programming Language), Package and Software Management, Object Oriented Programming (OOP), Web Services, Web Frameworks, Debugging, Python Programming, Server Side, Performance Tuning, Other Programming Languages, Software Engineering, Programming Principles
★ 3.6 (10) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems, Business Process Automation, Memory Management, Tool Calling
★ 4.7 (338) · Beginner · Project · Less Than 2 Hours

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Hugging Face, Containerization, CI/CD, Docker (Software), Microsoft Azure, Continuous Deployment, Cloud Computing, Machine Learning Software, GitHub
★ 3.8 (69) · Advanced · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
★ 4.5 (53) · Intermediate · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, R (Software), GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, Test Case, Testability, R Programming, Code Reusability, Knitr, Continuous Integration, Program Development, Build Tools, Git (Version Control System), Development Testing
★ 4.1 (223) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Life Cycle, Quality Management, Project Management Life Cycle, Scrum (Software Development), Business Analysis, Risk Management Framework, Business Process, Risk Analysis, Requirements Management, Risk Management, Solution Delivery, Project Management, Project Risk Management, Business Process Improvement, Project Planning, Business Planning, Quality Control, Quality Monitoring, Agile Methodology, Agile Software Development
★ 4.8 (104) · Beginner · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, SQL, Relational Databases, Database Management, Database Theory, Database Development, Database Design, Database Management Systems, Database Architecture and Administration, Query Languages, Data Access, Software Installation, C# (Programming Language), Data Integrity, Data Modeling
★ 4.7 (61) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, C and C++, Performance Tuning, Integrated Development Environments
★ 4.5 (51) · Advanced · Course · 1 - 4 Weeks