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

Skills you'll gain: Performance Testing, Performance Tuning, Performance Stress Testing, Model Optimization, Algorithms, Performance Analysis, Performance Metric, Memory Management, Theoretical Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, Authentications, Cloud Security, Authorization (Computing), Identity and Access Management, Google Cloud Platform, Cloud Management, Proxy Servers
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Interactive Design, File I/O, Computer Graphic Techniques, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Driving engagement, Social Media Strategy, Content Marketing, Social Media Marketing, Customer Engagement, Brand Marketing, Marketing Communications, Marketing Effectiveness, Social Media, Marketing Strategies, Cross-Channel Marketing, Shared Media, Marketing, Promotional Strategies, Digital Marketing, Strategic Communication, Earned Media, Digital Marketing Campaigns, Target Audience, Campaign Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Firewall, Virtual Machines, Virtual Networking, Cloud Hosting, TCP/IP, Identity and Access Management, Proxy Servers
Intermediate · Project · Less Than 2 Hours

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), LLM Application, Amazon Bedrock, Cross Platform Development, AI Workflows, Event-Driven Programming, Systems Architecture, TypeScript, Software Architecture, Application Deployment, Natural Language Processing, Artificial Intelligence, Memory Management, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI Agents, Prompt Engineering, Google Gemini, Generative AI, AI Enablement, AI Product Strategy, Prompt Engineering Tools, Google Cloud Platform, AI Integrations, Agentic systems, Organizational Strategy, Innovation, Organizational Change, Large Language Modeling, Proxy Servers, Customer Engagement
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), Software Design Patterns, System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Persistence, Virtual Networking, Proxy Servers, Network Monitoring, Key Management, Disaster Recovery
Advanced · Course · 3 - 6 Months

Skills you'll gain: Nginx, Load Balancing, Performance Tuning, Scalability, Web Servers, Proxy Servers, Web Applications, Security Controls, Authentications, Back-End Web Development, Server Administration, Application Servers, Servers, Linux Administration, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Proxy Servers, Firewall, Identity and Access Management, Network Monitoring, Cloud Security, Google Cloud Platform, Intrusion Detection and Prevention, Cyber Security Policies, Threat Detection
Intermediate · Course · 1 - 3 Months