Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

Skills you'll gain: Redis, Data Persistence, Performance Tuning, Transaction Processing, Server Administration, Servers, Scalability, Scripting Languages, Software Architecture, Memory Management, Scripting, Configuration Management, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Nginx, Web Servers, Apache, Ansible, Server Administration, Proxy Servers, Linux Servers, Application Servers, Docker (Software), System Configuration, PHP (Scripting Language), Containerization, Cloud Infrastructure, Software Installation, Configuration Management, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Model Optimization, Performance Tuning, Memory Management, Docker (Software), Java, Java Programming, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, Data Maintenance, SQL, Linux Administration, System Monitoring, Operating System Administration, Linux, Database Management, Linux Commands, File I/O, Data Migration, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Memory Management
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Performance Tuning, Google Cloud Platform, Memory Management, Performance Testing, Application Performance Management, Cloud Applications, Cloud Computing, Server Side
Beginner · Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Go (Programming Language), Computer Programming Tools, Software Development Tools, Integrated Development Environments, Programming Principles, Development Environment, Computer Programming, System Programming, Command-Line Interface, Computational Logic, Data Integrity, Software Installation, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Functional Design, Memory Management, Software Documentation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, C# (Programming Language), .NET Framework, Development Environment, Computer Programming, Programming Principles, Microsoft Development Tools, Microsoft Visual Studio, Data Structures, Computer Science, Algorithms, Application Frameworks, Software Development Tools, Memory Management, Debugging, Software Installation, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, Generative AI Agents, Agentic Workflows, LLM Application, Data Persistence, Agentic systems, Memory Management, Retrieval-Augmented Generation, AI Personalization, Data Storage, Context Management, Vector Databases
Intermediate · Course · 1 - 3 Months

University of Arizona
Skills you'll gain: Integrated Marketing Communications, Advertising, Advertising Campaigns, Marketing Communications, Media Strategy, Paid media, Owned Media, Customer Advocacy, Journey Mapping, Branding, Marketing, Digital Media Strategy, Earned Media, Search Engine Optimization, Brand Management, Customer Engagement, Content Development and Management, Digital Advertising, Brand Strategy, Brand Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Concision, Digital Marketing Tools, Leadership Development, Digital Publishing, Content Strategy, Brand Awareness, Strategic Thinking, Owned Media, Earned Media, Knowledge Transfer, Ideation, Growth Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Go (Programming Language), Memory Management, Debugging, Code Reusability, Object Oriented Programming (OOP), Other Programming Languages
Advanced · Course · 1 - 3 Months