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.

Coursera
Skills you'll gain: Failure Analysis, Root Cause Analysis, Analysis, Memory Management, Complex Problem Solving, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Training, Benchmarking, Decision Intelligence, Resource Utilization, Cost Estimation, Resource Consumption Accounting, Memory Management, Run Chart, Analysis, Cost Management
Intermediate · Course · 1 - 4 Weeks

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: 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

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: 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

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Core Data (Software), Secure Coding, Application Deployment, Scalability, Swift Programming, Apple software proficiency, Back-End Web Development, Performance Tuning, Application Security, Debugging, Knowledge of Apple Software, Build Tools, Application Performance Management, Application Programming Interface (API), Encryption, JSON, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Docker (Software), .NET Framework, ASP.NET, Cloud Development, Application Deployment, Development Environment, Nginx, YAML, Proxy Servers, Configuration Management, Scalability, Microsoft SQL Servers, Software Versioning
Intermediate · 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

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: Virtual Networking, Role-Based Access Control (RBAC), Data Persistence, Cloud Management, Continuous Deployment, Application Lifecycle Management, Cloud Deployment, Proxy Servers, Capacity Management, Application Deployment, Network Monitoring, CI/CD, Key Management, Software Versioning, Network Security, API Gateway, Identity and Access Management, Model Deployment, Security Controls, Disaster Recovery
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Memory Management, Software Design Patterns, Functional Design
Intermediate · Course · 3 - 6 Months