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: 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

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: 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: Scalability, Dashboard, Kubernetes, Capacity Management, Analysis, Performance Tuning, MLOps (Machine Learning Operations), Scenario Testing, Memory Management, System Monitoring, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Deployment, Amazon CloudWatch, Serverless Computing, Scalability, Application Deployment, Performance Tuning, Event-Driven Programming, Virtual Networking, Event Monitoring, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Go (Programming Language), Memory Management, Debugging, Code Reusability, Object Oriented Programming (OOP), Other Programming Languages
Advanced · Course · 1 - 3 Months
Skills you'll gain: Data Structures, Feature Engineering, MLOps (Machine Learning Operations), Java Programming, Java, Performance Tuning, Data Processing, Applied Machine Learning, System Monitoring, Scalability, Performance Analysis, Memory Management, Benchmarking, Graph Theory, Program Implementation
Advanced · 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: LangChain, Prompt Engineering, LangGraph, Prompt Patterns, Generative AI Agents, Generative AI, LLM Application, Generative Model Architectures, Prompt Engineering Tools, AI Workflows, Large Language Modeling, OpenAI, Image Analysis, Multimodal Prompts, Memory Management, Model Context Protocol, Python Programming, Agentic systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Performance Tuning, PySpark, Service Level, Resource Allocation, Process Optimization, Scalability, Performance Analysis, Memory Management, Job Analysis, Debugging, System Configuration
Intermediate · Course · 1 - 4 Weeks