C programming courses can help you learn syntax, data structures, algorithms, and memory management. You can build skills in debugging, optimizing code, and implementing efficient algorithms. Many courses introduce tools like GCC for compiling code, GDB for debugging, and libraries such as the Standard Template Library (STL) to enhance functionality. You'll also explore concepts like pointers, file handling, and dynamic memory allocation, which are crucial for developing robust applications.

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), R Programming, Software Installation
★ 4.7 (107) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Mathematical Software, Advanced Mathematics
★ 4.6 (66) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Model Optimization, Model Deployment, Feature Engineering, Product Requirements, Prompt Engineering, Data Ethics, Prompt Patterns, LLM Application, Model Training, Kubernetes, AI Security, Systems Architecture, Large Language Modeling, Model Evaluation, PyTorch (Machine Learning Library), Apache Airflow, Data Pipelines, SQL
Intermediate · Professional Certificate · 3 - 6 Months
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
★ 4.7 (59) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Event Monitoring, Development Environment, Exploit development, Frontend Integration, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Transaction Processing, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC)
★ 4.9 (143) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C and C++, C++ (Programming Language), Code Reusability, Maintainability, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Java Programming, Computer Programming, Programming Principles, Computational Logic, Computational Thinking, Education Software and Technology, Digital pedagogy
★ 2.8 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Test Tools, Automation, Cascading Style Sheets (CSS)
★ 4.6 (8) · Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: OpenAI API, OpenAI, AI Workflows, LLM Application, AI Integrations, Generative AI Agents, AI Personalization, Agentic Workflows, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Context Management, Application Development
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Evaluation, Statistical Modeling, Applied Machine Learning, Unsupervised Learning, Statistical Machine Learning, Data Science, Decision Tree Learning, Statistical Methods, Classification And Regression Tree (CART), Artificial Neural Networks, Statistical Analysis, Regression Analysis, Predictive Modeling, Machine Learning Methods, Classification Algorithms, Supervised Learning, R Programming, Statistical Inference, Machine Learning Algorithms, Dimensionality Reduction
★ 4.2 (23) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI), Development Environment
★ 4.2 (60) · Intermediate · Course · 1 - 4 Weeks