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.

Simplilearn
Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, Embeddings, Large Language Modeling, Tool Calling, AI Workflows, Context Management, Generative AI Agents, Vector Databases, Data Store, Agentic systems, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, Model Deployment, AI Workflows, Agentic Workflows, Generative AI Agents, AI Integrations, Agentic systems, Artificial Intelligence, Prompt Engineering, Generative AI, Product Support, Memory Management
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Programming, Java, OS Process Management, Memory Management, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Programming Principles, Data Structures, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Pivot Tables And Charts, Data Manipulation, Time Series Analysis and Forecasting, Data Import/Export, Data Wrangling, Jupyter, Data Visualization, Microsoft Excel, Data Transformation, Plot (Graphics), Data Analysis, Data Cleansing, Data Preprocessing, Memory Management, Sampling (Statistics)
Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Memory Management, Communication Systems, Data Sharing, Web Development
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Data Storage, Virtual Networking, Data Storage Technologies, vSphere DRS & HA, Networking Hardware, Virtual Local Area Network (VLAN), Computing Platforms, Infrastructure Architecture, IT Infrastructure, Network Infrastructure, Capacity Management, Data Centers, Memory Management, Network Switches, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: LangGraph, Retrieval-Augmented Generation, Generative AI Agents, AI Orchestration, CrewAI, Agentic Workflows, Agentic systems, LangChain, LLM Application, AI Integrations, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Prompt Engineering, Restful API, Embeddings, Vector Databases, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Code Reusability, Computer Programming, Memory Management, Programming Principles, Program Development, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Test Tools, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Network Protocols, Web Applications, Test Automation, Development Environment, Proxy Servers, Authentications, Software Installation, System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: LLM Application, Data Processing, Data Transformation, Generative AI Agents, Generative AI, Workflow Management, Artificial Intelligence, Context Management, Memory Management, Automation, JSON
Intermediate · Course · 1 - 4 Weeks