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.

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

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, z/OS, COBOL (Programming Language), Unit Testing, Systems Analysis, Systems Development, Pseudocode, Program Development, Software Development Methodologies, Agile Methodology, Software Development, Software Design, Agile Software Development, Systems Architecture, Mainframe Computing, Scrum (Software Development), Test Planning, Mainframe Technologies, Software Testing
★ 4.2 (75) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Logistic Regression, Data Cleansing, Apache Spark, PySpark, Data Manipulation, Applied Machine Learning, Predictive Modeling, Data Science, Machine Learning, Python Programming
★ 4.6 (22) · Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
★ 4.8 (24) · Advanced · Course · 1 - 3 Months

Skills you'll gain: JSON, Javascript, JavaScript Frameworks, Software Testing, Unit Testing, Scripting, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Scripting Languages, Data Validation, Data Structures, Network Protocols, Verification And Validation
★ 3.8 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Software Versioning, Web Language, Application Deployment, Cloud Storage, Web Applications, Web Design and Development, Cloud Deployment, Serverless Computing, Public Cloud, Web Presence
★ 4.5 (84) · Beginner · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Intrusion Detection and Prevention, Threat Management, Incident Response, Event Monitoring, Computer Security Incident Management, Malware Protection, Network Analysis, Anomaly Detection, Network Security, Network Monitoring, Network Protocols, SQL
★ 4.9 (36) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, Test Automation, Generative AI, Software Testing, AI Security, Vulnerability Scanning, Vulnerability Assessments, Test Case, Secure Coding, Full-Stack Web Development, Technical Documentation
★ 4.2 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Shell Script, Command-Line Interface, Software Configuration Management, Bash (Scripting Language), Devops Tools, Software Installation, Configuration Management, Collaborative Software, Code Review, File Systems, Development Environment, Web Presence, Software Documentation
★ 4.5 (35) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploit development, Penetration Testing, Exploitation techniques, Technical Communication, Scripting, Technical Writing, IT Automation, Scripting Languages, Programming Principles, Automation, Data Security
★ 4.6 (11) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: MLOps (Machine Learning Operations), Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Fine-tuning, Containerization, Model Optimization, AI Workflows, Model Evaluation, Model Deployment, Generative AI Agents, LangGraph, Keras (Neural Network Library), Agentic Workflows, Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), CrewAI, Image Analysis, Large Language Modeling, Natural Language Processing, Python Programming
★ 4.7 (7) · Advanced · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Devops Tools, Development Environment, Software Development Tools, Software Development Methodologies, CI/CD, DevOps, IT Automation, Continuous Deployment, Version Control, Continuous Integration, Network Engineering, Program Development, Docker (Software), Network Infrastructure, Containerization, Software Development, Virtual Environment, Git (Version Control System), Waterfall Methodology, Software Design
★ 4.7 (34) · Intermediate · Course · 1 - 4 Weeks