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.

University of California, Santa Cruz
Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Generative AI Agents, AI Integrations, Agentic systems, Context Engineering, Agentic Workflows, Application Deployment, Token Optimization, Tool Calling, LLM Application, Context Management, Enterprise Architecture, Responsible AI, Model Evaluation, Large Language Modeling, Memory Management, Routing Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Data Quality, Data Integrity, Debugging, Data Pipelines, Test Automation, Root Cause Analysis, YAML, Generative AI, Test Tools, Anomaly Detection, AI Integrations, CI/CD, Python Programming, Reliability, Performance Tuning, Memory Management
Beginner · Course · 1 - 3 Months

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: Rust (Programming Language), File I/O, Memory Management, Data Structures, Code Reusability, System Programming, Secure Coding
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: C++ (Programming Language), Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

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: 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

Skills you'll gain: Scalability, Dashboard, Kubernetes, Capacity Management, Analysis, Performance Tuning, MLOps (Machine Learning Operations), Scenario Testing, Memory Management, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Microarchitecture, Program Development, Distributed Computing, Performance Testing, Algorithms, Memory Management, Computer Hardware, C (Programming Language)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Authorization (Computing), Devops Tools, Proxy Servers, Identity and Access Management, Disaster Recovery, Configuration Management, Cryptographic Protocols, Data Centers, Distributed Computing, Security Controls, Service Management, Data Store, Authentications, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Memory Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Scalability, Performance Tuning, .NET Framework, C# (Programming Language), System Programming, C (Programming Language), Debugging, Data Structures, Software Engineering, Interoperability
Intermediate · Course · 1 - 3 Months