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.

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

Pearson
Skills you'll gain: Linux Administration, Containerization, Linux, Memory Management, Linux Commands, OS Process Management, File Systems, System Programming, Operating Systems, Data Storage, Cloud Storage, Data Storage Technologies, General Networking, Network Administration, Performance Tuning, System Configuration, C (Programming Language), Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real-Time Operating Systems, Embedded Software, Software Architecture, Code Reusability, Embedded Systems, Memory Management, Systems Architecture, Software Design, Software Design Patterns, Performance Tuning, Secure Coding, Scalability, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Memory Management, Operational Databases, Database Management, Database Architecture and Administration, Relational Databases, Database Software, Performance Tuning, Database Management Systems, Server Administration, Data Maintenance, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, File Management, Authentications
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Application Programming Interface (API), Server Side, Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Network Protocols, Memory Management, Authentications
★ 3.8 (8) · Intermediate · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Integrated Marketing Communications, Advertising, Advertising Campaigns, Marketing Communications, Media Strategy, Paid media, Owned Media, Customer Advocacy, Journey Mapping, Branding, Cross-Channel Marketing, Digital Media Strategy, Earned Media, Search Engine Optimization, Customer Engagement, Content Development and Management, Goal Setting, Brand Awareness, Culture, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Redis, Data Persistence, Data Store, NoSQL, Performance Tuning, Transaction Processing, Key Management, Server Administration, Data Structures, Data Storage, Real Time Data, Data Management, Servers, Event-Driven Programming, Scalability, Scripting Languages, Software Architecture, Memory Management, Query Languages, Data Modeling
★ 4.9 (9) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Embedded Systems, C (Programming Language), Embedded Software, Data Structures, Code Reusability, Memory Management, C and C++, Programming Principles, Data Management, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce Development, Salesforce, Data Import/Export, Web Components, Business Process Automation, Data Validation, Web Services, Relationship Management, Workflow Management, UI Components, Data Access, Automation, Application Security, Test Script Development, Secure Coding, Web Development, Memory Management, Unit Testing, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Development Environment, Java, Integrated Development Environments, Key Management, Software Development Tools, Cryptographic Protocols, Encryption, Cryptography, Performance Tuning, Memory Management, Scalability, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, LLM Application, AI Workflows, AI Orchestration, No-Code Development, Retrieval-Augmented Generation, AI Integrations, Data Access, Memory Management, Agentic systems, Application Development, Application Programming Interface (API), Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Oral Expression, Verbal Communication Skills, Digital Marketing Tools, Leadership Development, Digital Publishing, Content Strategy, Brand Awareness, Strategic Thinking, Earned Media, Knowledge Transfer, Revenue Management, Ideation, Growth Strategies
Intermediate · Course · 1 - 3 Months