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: Memory Management, Web Development, Performance Testing, System Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unified Modeling Language, Software Design Patterns, C++ (Programming Language), Software Architecture, Object Oriented Design, Software Design, Code Reusability, Object Oriented Programming (OOP), Maintainability, Programming Principles, Memory Management
Intermediate · Course · 1 - 3 Months

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: Blockchain, Secure Coding, Application Security, Security Engineering, Web Development Tools, Software Design Patterns, Exploit development, Web Applications, Application Development, Code Reusability, Authorization (Computing), Security Controls, Software Architecture, Object Oriented Programming (OOP), Transaction Processing, Scalability, Memory Management
Intermediate · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Tool Calling, LangChain, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Memory Management, Model Evaluation, Context Management, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Oracle SQL Developer, Code Reusability, Oracle Databases, Computational Logic, Memory Management
Intermediate · Specialization · 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
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Rust (Programming Language), Authentications, Back-End Web Development, Web Servers, Web Frameworks, Databases, Server Side, Web Applications, Restful API, Application Programming Interface (API), Data Sharing, Data Structures, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Animation and Game Design, Code Reusability, Animations, Unity Engine, Visualization (Computer Graphics), Software Design Patterns, Game Design, Software Visualization, Video Game Development, User Interface (UI), Application Performance Management, Software Development Tools, Development Environment, System Monitoring, Application Frameworks, Computer Graphics, Performance Tuning, Memory Management, Scripting
Mixed · Course · 1 - 3 Months

Skills you'll gain: vSphere Networking and Storage, vSphere DRS & HA, vCenter Server Management, Cloud Infrastructure, VMware vSAN, vCenter Server, Storage vMotion, Virtual Networking, Cloud Computing Architecture, Virtualization, Software-Defined Data Center (SDDC), Virtual Machines, ESXi Installation, iSCSI Configuration, Virtualization and Virtual Machines, Infrastructure Architecture, Cloud Computing, Containerization, Network Monitoring, Memory Management
Intermediate · Specialization · 1 - 3 Months