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: Network Troubleshooting, General Networking, OSI Models, Network Protocols, Network Support, Networking Hardware, TCP/IP, Microsoft Windows, Network Routers, Network Switches, Network Administration, Local Area Networks, Computer Networking, Technical Support and Services, Network Model, Computer Hardware, System Configuration, Command-Line Interface, iOS Development, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Test Tools, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Network Protocols, Web Applications, Test Automation, Development Environment, Proxy Servers, Authentications, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Cloud Deployment, Amazon Web Services, Cloud Management, Cloud Computing, User Accounts, Cloud Infrastructure, Cloud Technologies, User Provisioning, Public Cloud, Cloud Services, Cloud Platforms, Servers, Linux Servers, Cloud Security, Server Administration, Systems Administration, Cloud Storage, Docker (Software)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Vulnerability Scanning, Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, Proxy Servers, SQL, MySQL, Databases
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Nginx, Web Servers, Apache, Ansible, Server Administration, Proxy Servers, Linux Servers, Application Servers, Servers, Docker (Software), System Configuration, PHP (Scripting Language), Containerization, Django (Web Framework), Software Installation, Configuration Management, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Telecommunications, Virtual Private Networks (VPN), Infrastructure Security, Data Security, Security Awareness, Remote Access Systems, Network Protocols, Information Privacy, Communication Systems, Emerging Technologies
★ 4.9 (9) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud Management, Google Cloud Platform, Cloud Computing, PostgreSQL, MySQL, Cloud Infrastructure, Proxy Servers, Test Tools
Intermediate · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Cloud-Based Integration, Cloud API, Application Programming Interface (API), API Gateway, Google Cloud Platform, Virtual Machines, Proxy Servers, Virtual Networking
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Maintenance, Database Architecture and Administration, Database Management Systems, Memory Management
Advanced · 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

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

Skills you'll gain: Redis, Data Store, Key Management, Data Structures, Data Storage, Performance Tuning, Memory Management
Beginner · Course · 1 - 4 Weeks