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: AWS Identity and Access Management (IAM), Identity and Access Management, Cloud Deployment, Amazon Web Services, Cloud Management, Cloud Computing, User Accounts, Cloud Infrastructure, Cloud Technologies, User Provisioning, Public Cloud, Cloud Services, Cloud Platforms, Servers, Linux Servers, Cloud Security, Server Administration, Systems Administration, Cloud Storage, Docker (Software)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
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, Safety Assurance, Software Testing, Secure Coding, Scalability, Data Sharing
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Microarchitecture, Network Protocols, Hardware Architecture, Systems Architecture, Computer Architecture, Communication Systems, Transaction Processing, Performance Tuning, Digital Communications, Memory Management, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: z/OS, System Software, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Mainframe Technologies, Operating System Administration, Performance Tuning, System Configuration, OS Process Management, Memory Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, File I/O, Context Management, Software Architecture, Disaster Recovery
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Campaign Planning, Campaign Management, Advertising Campaigns, Communication Planning, Paid media, Promotions and Campaigns, Program Evaluation, Content Performance Analysis, Strategic Communication, Media Planning, Marketing Communications, Earned Media, Program Implementation, Marketing Effectiveness, Communication Strategies, Owned Media, Plan Execution, Marketing, Public Relations, Business Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, Enterprise Architecture, Retrieval-Augmented Generation, Scalability, Context Management, AI Security, Software Architecture, Vector Databases, Debugging, Memory Management
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

Coursera
Skills you'll gain: Memory Management, C and C++, Scalability, Performance Tuning, C++ (Programming Language), Microarchitecture, Computer Architecture, Cross Platform Development, Hardware Architecture, Computing Platforms, C (Programming Language), Program Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Other Programming Languages, Package and Software Management, Memory Management, Go (Programming Language), Programming Principles, Program Development, C (Programming Language), Secure Coding, Software Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Redis, Data Store, Key Management, Data Structures, Data Storage, Performance Tuning, Memory Management
Beginner · Course · 1 - 4 Weeks