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.

Packt
Skills you'll gain: Secure Coding, API Testing, API Design, Application Programming Interface (API), Security Testing, Penetration Testing, Application Security, Restful API, Authentications, Exploit development, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Scenario Testing, Security Controls, Development Environment, Cybersecurity
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Matplotlib, Data Processing, Plot (Graphics), Data Storytelling, Pivot Tables And Charts, Data Visualization Software, Data Analysis, Data Structures, Heat Maps, Data Manipulation, Pandas (Python Package), NumPy, Data Transformation, Numerical Analysis, Exploratory Data Analysis, Data Cleansing, Data Mapping, Data Wrangling, Python Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Generative Model Architectures, Image Analysis, Computer Vision, Machine Learning Methods, Fine-tuning, AI powered creativity, Applied Machine Learning, Model Training, Deep Learning, Keras (Neural Network Library), Python Programming, Development Environment, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Memory Management, Real Time Data, Application Development, .NET Framework, Performance Tuning, Secure Coding, C# (Programming Language), System Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java Programming, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Build Tools, Object-Relational Mapping, Software Testing, Cloud Development, Functional Design
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, Prompt Patterns, AI Workflows, Agentic Workflows, AI Integrations, OpenAI API, Token Optimization, Test Script Development, Context Management, Code Reusability, Secure Coding, Memory Management, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Deep Learning, Data Processing, Artificial Neural Networks, Logistic Regression, Applied Machine Learning, Program Development, Python Programming, Network Architecture, Model Training, Model Optimization, Machine Learning Algorithms, NumPy, Pandas (Python Package), Linear Algebra
Beginner · Course · 1 - 3 Months

Skills you'll gain: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Data Architecture, Extract, Transform, Load, Apache Kafka, Performance Tuning, PySpark, Data Warehousing, Data Import/Export, Amazon S3, Amazon Web Services, Real Time Data, Data Processing, SQL, Stored Procedure, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Stakeholder Management, Agile Project Management, Team Performance Management, Stakeholder Engagement, Jira (Software), Sprint Retrospectives, Sprint Planning, User Story, Backlogs, Kanban Principles, Agile Software Development, Strategic Prioritization, Agile Product Development, Scaled Agile Framework, Project Risk Management, Lean Methodologies, Agile Methodology, Test Tools, Project Management Institute (PMI) Methodology, Test Planning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Object Oriented Design, Java, Java Programming, Integrated Development Environments, Data Structures, Command-Line Interface
Beginner · Course · 1 - 4 Weeks