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: Oracle Databases, Oracle SQL Developer, Database Design, Database Software, Database Administration, Database Architecture and Administration, Database Management, Performance Tuning, Data Storage, SQL, Enterprise Application Management, Network Administration, Memory Management, User Accounts
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: vSphere DRS & HA, vCenter Server, vSphere Networking and Storage, Virtual Machines, Storage vMotion, vCenter Server Management, Virtualization and Virtual Machines, Performance Tuning, Virtualization, Memory Management, Capacity Management, System Monitoring, Data Migration
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

Skills you'll gain: Metasploit, Exploit development, Exploitation techniques, Vulnerability, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, System Configuration, Data Security, Cybersecurity, Cyber Attacks, Linux, Bash (Scripting Language), Proxy Servers, Scripting, Linux Commands, Scripting Languages, Python Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Commands, C (Programming Language), Memory Management, System Programming, Command-Line Interface, Programming Principles, Computer Programming Tools, Computational Logic, Software Installation, Computer Programming, Program Development
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Social Media Management, Social Media Content, Marketing Communications, Digital Media Strategy, Social Media Analytics, Customer Insights, Content Performance Analysis, Driving engagement, Plan Execution, Earned Media, Program Implementation, Target Audience, Content Creation, Content Strategy, Brand Strategy, Owned Media, Goal Setting
Intermediate · Course · 1 - 4 Weeks

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

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Graph Theory, Object Oriented Design, C (Programming Language), Artificial Intelligence, Algorithms, Data Structures, Memory Management, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Prompt Engineering Tools, Agentic Workflows, Deepseek, Automation, Agentic systems, AI Integrations, Memory Management
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Model Optimization, Token Optimization, Model Deployment, Generative AI, Performance Tuning, Model Evaluation, Performance Testing, Cross Platform Development, PyTorch (Machine Learning Library), Memory Management, Development Environment, Hardware Architecture, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Object Oriented Design, Programming Principles, File I/O, Data Import/Export, Debugging, File Management, Memory Management
Beginner · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud API, Cloud Deployment, Application Programming Interface (API), Restful API, Google Cloud Platform, Cloud Applications, Web Services, Proxy Servers, Javascript, Data Store, Code Reusability
Beginner · Project · Less Than 2 Hours