C programming courses can help you learn how to write efficient, low-level code used in systems programming, embedded systems, and software development.

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Software Testing, Configuration Management, Test Case, Integration Testing, System Testing, Test Automation, Software Development Life Cycle, Acceptance Testing, Software Technical Review, Code Review, Unit Testing, Functional Testing, Regression Testing, Software Quality Assurance, Risk Management, Risk Management Framework, Verification And Validation, Usability Testing
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Dashboard, Ggplot2, Interactive Data Visualization, Data Visualization Software, Data Presentation, Application Development, UI Components, User Interface (UI), Application Deployment
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Application Development, Java Programming, Software Engineering, Microsoft Visual Studio, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Usability, Web Applications, Cascading Style Sheets (CSS), Web Content, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI, Large Language Modeling, ChatGPT, Generative AI, Application Performance Management, LLM Application, Image Analysis, Application Programming Interface (API), Multimodal Prompts, Animations, Tool Calling, Image Quality, File Management, Visualization (Computer Graphics), Computer Graphics, Generative AI Agents, Application Development, Python Programming, Computer Science
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Interactive Design, Web Applications, Interaction Design, Scripting, UI Components, Web Development, Scripting Languages, Data Validation
Beginner · Guided Project · Less Than 2 Hours
University of Glasgow
Skills you'll gain: Computational Thinking, Javascript, Programming Principles, Computer Programming, Computer Graphics, Animations, Debugging, Scripting Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Transaction Processing, Application Development, .NET Framework, Systems Integration, Data Access, Application Design, C# (Programming Language), Performance Tuning, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Prompt Engineering, Test Case, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Performance Testing, Debugging, Applied Machine Learning, Artificial Intelligence, Machine Learning Algorithms, Decision Support Systems, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Package and Software Management, Programming Principles, Secure Coding, Software Development, Computer Programming, Debugging
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Object Oriented Programming (OOP), Test Driven Development (TDD), JUnit, Java, Unit Testing, Software Testing, Software Engineering, Software Design Patterns, Java Programming, Software Design, Systems Analysis, Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Data Manipulation, Data Visualization, Business Analytics, Data Transformation, Statistics, Data Visualization Software, Statistical Analysis, Trend Analysis, Data Cleansing, Time Series Analysis and Forecasting, Data Import/Export, Python Programming
Beginner · Course · 1 - 4 Weeks