C programming courses can help you learn how to write efficient, low-level code used in systems programming, embedded systems, and software development.
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Natural Language Processing, Data Visualization Software, Unit Testing, Data Visualization, Jupyter, Development Environment, LLM Application, Virtual Environment, Python Programming
Intermediate · Specialization · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Computer Programming, Scripting Languages, Programming Principles, Data Management, Debugging, Database Management, Functional Testing, Databases
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Marketing Analytics, Anomaly Detection, Digital Marketing, Web Analytics, Digital Advertising, Dimensionality Reduction, Unsupervised Learning, Customer Analysis, Search Engine Marketing, Supervised Learning, Online Advertising, Customer Retention, Text Mining, Predictive Analytics, Search Engine Optimization, Web Analytics and SEO, Google Ads, Google Analytics, Data Ethics, Data Mining
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Plotly, Exploratory Data Analysis, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Interactive Data Visualization, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Web Servers, Server Side, Hypertext Markup Language (HTML), Go (Programming Language), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Application Security, Java, Application Frameworks, Model View Controller, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Object Oriented Design, Application Development, Data Structures, Linux
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Ajax, JSON, Application Programming Interface (API), Javascript, Event-Driven Programming, Data Validation, Web Development, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Vulnerability Management, Threat Modeling, Open Web Application Security Project (OWASP), Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Stakeholder Communications, Vulnerability Assessments, Threat Detection, Hardening, Network Security, Security Controls, Threat Management, Security Information and Event Management (SIEM), TCP/IP, Risk Management Framework, Linux, Debugging, Cybersecurity, SQL
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Tensorflow, Natural Language Processing, Python Programming, Generative AI, Applied Machine Learning, Machine Learning Methods, Text Mining, Artificial Neural Networks, Machine Learning, Deep Learning, Data Processing
Intermediate · Guided Project · Less Than 2 Hours