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.

Universitat Politècnica de València
Skills you'll gain: Computer Hardware, Computer Architecture, Networking Hardware, Hardware Architecture, Computer Systems, Information Technology, Data Storage, Hardware Troubleshooting, General Networking, Data Storage Technologies, Computer Networking, Mainframe Computing, Peripheral Devices, Wireless Networks, Infrastructure Security, Business Technologies, Memory Management
Intermediate · Course · 1 - 3 Months

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: Authorization (Computing), Devops Tools, Proxy Servers, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Disaster Recovery, Configuration Management, Cryptographic Protocols, Data Centers, Distributed Computing, Security Controls, Key Management, Service Management, Data Store, Authentications, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Memory Management, C++ (Programming Language), C (Programming Language), Objective-C (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Algorithms, Memory Management, Performance Testing, Resource Utilization, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Android Development, Key Management, Exploit development, Android (Operating System), Secure Coding, Mobile Security, Data Security, Application Security, Data Loss Prevention, Network Security, Exploitation techniques, Memory Management, File Systems
Mixed · Course · 1 - 4 Weeks

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

Pragmatic AI Labs
Skills you'll gain: Serverless Computing, Amazon Web Services, Amazon S3, Rust (Programming Language), Other Programming Languages, Cloud-Native Computing, Cloud Deployment, Performance Tuning, Data Engineering, Computing Platforms, Event-Driven Programming, Performance Testing, Ruby (Programming Language), Cloud Computing, Development Environment, Application Deployment, Build Tools, Memory Management
Beginner · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Google Cloud Platform, Proxy Servers, Network Support, Server Side
Beginner · 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

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce, Web Services, Test Script Development, Memory Management, Unit Testing, Development Testing, Debugging, Code Reusability, Simple Object Access Protocol (SOAP), Object Oriented Programming (OOP), Data Management, Performance Tuning, Relationship Management
Intermediate · Course · 3 - 6 Months