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: Peripheral Devices, Hardware Troubleshooting, Desktop Support, Computer Hardware, Technical Support, System Requirements, System Configuration, Display Devices, Issue Tracking, Patch Management, Data Storage, Usability, Memory Management
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Data Storage, Virtual Networking, Data Storage Technologies, vSphere DRS & HA, Networking Hardware, Virtual Local Area Network (VLAN), Computing Platforms, Infrastructure Architecture, IT Infrastructure, Network Infrastructure, Capacity Management, Data Centers, Memory Management, Network Switches, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Multi-Factor Authentication, Active Directory, User Accounts, Security Controls, Proxy Servers
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Campaign Planning, Communication Planning, Campaign Management, Strategic Communication, Advertising, Marketing Communications, Resource Allocation, Media Strategy, Brand Management, Integrated Marketing Communications, Brand Strategy, Earned Media, Communication Strategies, Owned Media, Public Relations, Shared Media, Paid media, Key Performance Indicators (KPIs), Research and Design, Market Research
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, Embeddings, Large Language Modeling, Tool Calling, AI Workflows, Context Management, Generative AI Agents, Vector Databases, Agentic systems, Document Management, Memory Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Enterprise Application Management, Software Design, System Monitoring, Security Controls, Software Architecture, Application Security, Maintainability, Application Frameworks, Secure Coding, OS Process Management, Memory Management, Data Sharing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), Cloud Platforms, Cloud-Native Computing, API Testing, Istio, Application Deployment, Software Installation, Proxy Servers, Verification And Validation, Configuration Management
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Web Analytics, Paid media, Digital Marketing, Email Marketing, Social Media Analytics, Digital Media Strategy, Digital Marketing Campaigns, Digital Marketing Tools, Marketing Analytics, Digital Analysis, Data-Driven Marketing, Social Media Marketing, Marketing Effectiveness, Earned Media, Social Media Campaigns, Social Media, Media Strategy, Content Performance Analysis, Analytics, Owned Media
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, Java, Object Oriented Design, Build Tools, Memory Management, Hibernate (Java), Unit Testing, File I/O, Data Persistence, Docker (Software), Software Testing, Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple Xcode, Apple iOS, iOS Development, Apple software proficiency, Application Development, Mobile Development, Memory Management, Cross Platform Development, Object Oriented Programming (OOP), Performance Tuning, Programming Principles, Development Environment, Integrated Development Environments, Code Reusability, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Target Market, Facebook, Earned Media, Persona Development, Customer Analysis, Owned Media, Social Media Marketing, Social Media Content, Business Marketing, Social Media, Business Planning, Drive Engagement, Marketing Planning, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Script Development, Performance Testing, Performance Stress Testing, Test Tools, Verification And Validation, Software Testing, Test Data, Data Validation, Scripting, Application Performance Management, Scenario Testing, Proxy Servers, Distributed Computing, Software Installation, System Monitoring
Intermediate · Course · 3 - 6 Months