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: Ggplot2, Plot (Graphics), Data Visualization Software, Data Visualization, Visualization (Computer Graphics), Interactive Data Visualization, Scatter Plots, Statistical Visualization, Histogram, Graphic and Visual Design, R Programming, Graphical Tools, R (Software), Data Mapping, Geospatial Information and Technology, Geospatial Mapping, Geographic Information Systems
★ 3.9 (158) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Robotics, Automation Engineering, Machine Controls, Internet Of Things, Control Systems, Automation, Image Analysis, Industrial Engineering, Computer Vision, Equipment Design, Mechanical Design
★ 4.5 (34) · Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, IT Automation, Scripting, Bash (Scripting Language), Amazon Web Services, Command-Line Interface, Configuration Management, Amazon Elastic Compute Cloud, Automation, Shell Script, Scripting Languages, Continuous Monitoring, Cloud Management, Continuous Integration, Software Testing
★ 4.6 (79) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Java Programming, Data Management, Secure Coding, Theoretical Computer Science, Programming Principles, Other Programming Languages, Performance Tuning
★ 3.6 (13) · Intermediate · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Management Systems, Database Development, SQL, MySQL, Database Theory, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Data Integrity, Query Languages, Data Access, Application Development
★ 4.5 (92) · Beginner · Specialization · 3 - 6 Months

University of Toronto
Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Mobile Development, Animations, Application Development, Computer Vision, Image Analysis
★ 3.2 (70) · Mixed · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Supervised Learning, Model Optimization, Machine Learning Algorithms, Machine Learning Methods, Applied Machine Learning, Classification Algorithms, Model Evaluation, Jupyter, Statistical Machine Learning, Decision Tree Learning, Model Training, Machine Learning, Data Preprocessing, Business Solutions, Python Programming, Regression Analysis, Performance Analysis, Data Processing
★ 4.7 (417) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Vulnerability Scanning, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software)
★ 4.4 (66) · Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Model View Controller, Unified Modeling Language, Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Software Design, Java Programming, Computer Programming, Maintainability, Program Development, Debugging, Software Architecture, Programming Principles, Software Testing, Other Programming Languages, Prototyping
★ 4.8 (187) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, Application Programming Interface (API), Prompt Patterns, Prompt Engineering Tools, LLM Application, JSON, AI Integrations, Generative AI Agents, AI literacy, Tool Calling, Generative AI, Scripting, Token Optimization, Document Management, Context Engineering, Agentic systems
★ 2.6 (8) · Intermediate · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Mobile Security, Digital Forensics, Criminal Investigation and Forensics, Cyber Threat Intelligence, Cyber Security Strategy, Investigation, Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Mobile Development, Cyber Security Policies, Model Training, Artificial Intelligence and Machine Learning (AI/ML), Threat Modeling, Data Security, Cyber Governance, Endpoint Security, Machine Learning Methods, iOS Development, Application Security
★ 4.5 (35) · Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Brute-force attacks, Cyber Operations, Scripting, Cybersecurity, Scripting Languages, Python Programming, Automation
★ 4.4 (55) · Mixed · Course · 1 - 4 Weeks