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.

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: 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

Hugging Face
Skills you'll gain: Data Ethics, AI literacy, Model Evaluation, LLM Application, Model Deployment, Large Language Modeling, Natural Language Processing, Data Preprocessing, AI Workflows, Model Optimization, Application Programming Interface (API), Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud-Native Computing, Database Application, Cloud Deployment, Google Cloud Platform, Cloud Applications, PostgreSQL, Containerization, Data Access, User Accounts, Proxy Servers, User Provisioning, Cloud Computing
Intermediate · Project · Less Than 2 Hours

Pearson
Skills you'll gain: C and C++, C++ (Programming Language), Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Rust (Programming Language), Unit Testing, Development Testing, Continuous Integration, Network Protocols, TCP/IP, System Programming, C and C++, Integration Testing, Web Applications, Memory Management, Data Structures, Functional Design
Advanced · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Containerization, Other Programming Languages, Go (Programming Language), Application Deployment, Docker (Software), Embedded Systems, C and C++, Cross Platform Development, Performance Tuning, Interoperability, Memory Management, Command-Line Interface, Software Engineering, Data Engineering
Beginner · Course · 1 - 3 Months

Skills you'll gain: CrewAI, AI Workflows, Model Context Protocol, Agentic Workflows, Generative AI Agents, Tool Calling, Role-Based Access Control (RBAC), Agentic systems, AI Security, Security Controls, AI Integrations, Build Tools, Retrieval-Augmented Generation, Authorization (Computing), Context Management, Generative AI, Application Programming Interface (API), Memory Management, Scalability, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Other Programming Languages, Code Reusability, Interoperability, Object Oriented Programming (OOP), Systems Integration, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: vSphere DRS & HA, Storage vMotion, Virtual Machines, VMware ESX Servers, vCenter Server Management, vCenter Server, Virtualization and Virtual Machines, Memory Management, Capacity Management, Patch Management, Configuration Management, System Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Driving engagement, Social Media Strategy, Content Marketing, Social Media Marketing, Customer Engagement, Brand Marketing, Marketing Communications, Marketing Effectiveness, Social Media, Marketing Strategies, Cross-Channel Marketing, Shared Media, Marketing, Promotional Strategies, Digital Marketing, Strategic Communication, Earned Media, Digital Marketing Campaigns, Target Audience, Campaign Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce, Web Services, Test Script Development, Memory Management, Unit Testing, Development Testing, Debugging, Code Reusability, Simple Object Access Protocol (SOAP), Object Oriented Programming (OOP), Data Management, Performance Tuning, Relationship Management
Intermediate · Course · 3 - 6 Months