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: 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

Skills you'll gain: Istio, Hybrid Cloud Computing, Model Deployment, Cloud Computing Architecture, Cloud Platforms, Kubernetes, Microsoft Azure, Cloud Infrastructure, Generative AI, Infrastructure as Code (IaC), MLOps (Machine Learning Operations), Private Cloud, Application Deployment, Continuous Deployment, Terraform, Cloud-Native Computing, Containerization, Site Reliability Engineering, Cloud Deployment, Cloud Security
Advanced · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Service Oriented Architecture, Performance Tuning, Transaction Processing, Proxy Servers, Middleware, System Monitoring, Data Pipelines, Hardening, Security Controls, Enterprise Architecture, Performance Testing, Cyber Security Policies, Virtualization, Hardware Troubleshooting, Network Routing, Endpoint Security, Application Programming Interface (API), Debugging, Extensible Languages and XML, Hardware Architecture
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Issue Tracking, Browser Compatibility, Regression Testing, Test Tools, Software Testing, Test Case, User Acceptance Testing (UAT), Usability Testing, Usability, Test Execution Engine, Verification And Validation, Software Quality Assurance, Acceptance Testing, Jira (Software), Functional Testing, Web Content Accessibility Guidelines, Test Planning, Software Development Life Cycle, Quality Assurance, Technical Writing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Testing, Software Quality Assurance, Acceptance Testing, System Testing, Functional Testing, Software Quality (SQA/SQC), Quality Assurance, Behavior-Driven Development, Unit Testing, Verification And Validation, Test Tools, Test Planning, Integration Testing, User Acceptance Testing (UAT), Test Case, Software Development Life Cycle, Systems Development Life Cycle, User Story, Development Environment, Quality Control
★ 4.9 (8) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Quality Assurance, Test Data, Test Case, Root Cause Analysis, Prompt Engineering, Regression Testing, Software Quality Assurance, Test Script Development, Test Tools, Test Planning, Test Execution Engine, Prompt Engineering Tools, Generative AI Agents, Software Testing, Dashboard, Scenario Testing, Requirements Analysis, Data Analysis, Data Science, Information Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
★ 4.7 (25) · Beginner · Specialization · 3 - 6 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, Virtualization and Virtual Machines, System Programming, Systems Design, Data Maintenance, Data Storage Technologies, System Software, Performance Tuning, Distributed Computing, C and C++
★ 4.6 (322) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Agentic systems, Agentic Workflows, Predictive Modeling, Predictive Analytics, Microsoft Excel, Spreadsheet Software, Data Ethics, Applied Machine Learning, AI Workflows, Business Analytics, Analytics, Responsible AI, Forecasting, Model Training, Regression Analysis, Machine Learning Methods, Data Preprocessing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Outlook, Calendar Management, Microsoft 365, Setting Appointments, Microsoft Teams, Gmail, Productivity Software, Workflow Management, Meeting Facilitation, Coordinating, Organizational Skills, File Management, Scheduling, Time Management, Document Management, Prioritization, Business Correspondence, Writing, Account Management, Business Communication
Beginner · Course · 1 - 3 Months
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

Skills you'll gain: Vulnerability Assessments, Penetration Testing, Vulnerability Scanning, Vulnerability Management, Cyber Security Assessment, Cyber Threat Hunting, Cyber Threat Intelligence, Exploitation techniques, Threat Detection, Security Testing, Cybersecurity, Cyber Security Strategy, Webhook Security, Proxy Servers, Jira (Software), Ethical Standards And Conduct
Intermediate · Course · 3 - 6 Months