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: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Anomaly Detection, Microsoft Azure, Computer Vision, Image Analysis, Artificial Intelligence, Natural Language Processing, Application Programming Interface (API), Model Training, Web Services, Restful API
★ 4.8 (10) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Endpoint Security, Infrastructure Security, Security Management, Network Security, Cyber Security Policies, Security Controls, Data Security, Computer Security, Security Strategy, Application Security, IT Infrastructure, Data Integrity
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Ubuntu, Network Monitoring, TCP/IP, Networking Hardware, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Network Support, File Systems, Linux Administration, Unix Commands, Computer Networking, Unix Shell, Command-Line Interface, Data Storage Technologies, Shell Script
★ 4.2 (6) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud-Native Computing, Infrastructure as Code (IaC), Cloud Computing, Terraform, Cloud Platforms, Cloud Storage, Amazon Web Services, Cloud Infrastructure, Cloud Technologies, Cloud Computing Architecture, Cloud Development, Amazon S3, Cloud Services, Cloud Applications, Cloud Deployment, Amazon Elastic Compute Cloud, Database Management, Data Storage, Scalability, Cloud Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Cloud Security, Cyber Security Assessment, Penetration Testing, Microsoft Azure, Exploitation techniques, Security Controls, Azure Active Directory, Brute-force attacks, Email Security, Cloud Storage, Authentications, User Accounts, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prometheus (Software), Kubernetes, Grafana, Scalability, Capacity Management, System Monitoring, Cloud-Native Computing, Performance Tuning, Memory Management, Dashboard Creation, Query Languages, Distributed Computing, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Salesforce Development, Customer Relationship Management (CRM) Software, Customer Relationship Management, Data Validation, Cloud Computing Architecture, Object-Relational Mapping, Cloud Computing, Application Design, Data Integrity, System Configuration, Relationship Management, Automation
Intermediate · Course · 1 - 3 Months
Skills you'll gain: File Systems, Operating Systems, OS Process Management, Memory Management, C (Programming Language), File Management, Virtualization, Computer Programming Tools, Data Integrity, Debugging, File I/O, System Software, Virtualization and Virtual Machines, System Programming, Systems Design, Data Storage Technologies, Performance Tuning, Distributed Computing, Data Storage, C and C++
★ 4.6 (321) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Make.com, AI Workflows, Business Workflow Analysis, Workflow Management, No-Code Development, Email Automation, Agentic Workflows, AI Security, Decision Intelligence, AI Orchestration, Process Analysis, Process Mapping, Generative AI Agents, Process Design, AI Integrations, Microsoft Power Automate/Flow, Productivity Software, Calendar Management, Responsible AI, Development Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Technical Communication, Network Troubleshooting, Performance Tuning, Problem Management, Technical Documentation, System Monitoring, Capacity Management, Incident Management, Memory Management, Continuous Integration, Continuous Monitoring
★ 4.6 (3.1K) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Threat Management, Cybersecurity, Endpoint Detection and Response, Cyber Attacks, Cyber Threat Intelligence, Digital Forensics, Intrusion Detection and Prevention, Threat Detection, Network Security, Network Monitoring, Data Security, Business Continuity, Network Analysis, Exploitation techniques, Malware Protection, Memory Management, Analysis
★ 4.7 (275) · Beginner · Specialization · 3 - 6 Months