Computer fundamentals courses can help you learn basic hardware and software concepts, operating systems, networking, and cybersecurity principles. You can build skills in troubleshooting, system maintenance, and understanding data management practices. Many courses introduce tools like Windows, Linux, and various programming languages, showing how these skills apply in everyday computing tasks and professional environments.

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Layout Design, UI Components, Front-End Web Development, Multimedia, Usability, Web Development, Interactive Design, Javascript, Graphic and Visual Design, Web Design and Development, Typography, Project Design, User Interface (UI), Web Analytics and SEO
★ 4.7 (13) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Data Manipulation, Statistical Visualization, Data Wrangling, Data Science, Package and Software Management, Exploratory Data Analysis, Python Programming
★ 4.6 (79) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronics, Electronics Engineering, Electrical and Computer Engineering, Hardware Design, Equipment Design, Electronic Components, Materials science, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Physics
★ 3.7 (52) · Advanced · Course · 1 - 3 Months

AI CERTs
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Content Performance Analysis, Image Quality, Photography, Marketing Psychology, Photo Editing, Marketing Design, Performance Analysis, Content Creation, Graphic and Visual Design, Driving engagement, Creative Design, Visual Storytelling, Graphic Design, Design Elements And Principles, Layout Design, Color Theory, Editing
Mixed · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Pandas (Python Package), Data Processing, Data Structures, Python Programming, Scripting, Code Reusability, Automation, Programming Principles, Functional Design, Development Environment, Data Preprocessing, Data Manipulation, Data-oriented programming, Computational Logic, Jupyter, Computer Programming, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Desktop Support, Computer Hardware, Digital Transformation, Network Troubleshooting, Technical Support, System Support, Help Desk Support, Technical Support and Services, Networking Hardware, Servers, Network Security, Network Infrastructure, Server Administration, Data Security, Hardware Architecture, System Configuration, IT Infrastructure, Peripheral Devices, Data Storage Technologies
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: LLM Application, Large Language Modeling, Open Web Application Security Project (OWASP), AI Security, Cyber Security Assessment, Application Security, Threat Modeling, Security Testing, Secure Coding, Vulnerability Assessments, Software Architecture, Prompt Engineering, IT Security Architecture, Security Controls, Application Programming Interface (API), Data Validation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Secure Coding, Cloud Development, Cloud Deployment, Database Development, Maintainability, Dataflow, Application Deployment, Server Side, Web Applications, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, LangChain, Embeddings, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Artificial Intelligence, Generative AI, Large Language Modeling, Application Development
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Deployment, Cloud Computing, Cloud Applications, Infrastructure As A Service (IaaS), Cloud-Native Computing, Cloud Infrastructure, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Scalability, Scripting
★ 4.1 (23) · Intermediate · Course · 1 - 4 Weeks
Northeastern University
Skills you'll gain: Responsible AI, Data Ethics, Social Determinants Of Health, Health Disparities, Health Equity, Mental Health, Artificial Intelligence, Mental Health Diseases and Disorders, Natural Language Processing, Healthcare Ethics, AI literacy, AI Integrations, Data Security, Governance, Risk Mitigation, Risk Analysis
★ 4.5 (14) · Beginner · Course · 1 - 4 Weeks