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.

Board Infinity
Skills you'll gain: Restful API, Spring Framework, Spring Boot, Hibernate (Java), API Design, Development Testing, Verification And Validation, Authentications, Object-Relational Mapping, Maintainability, Data Persistence, Authorization (Computing), Application Design, YAML, Role-Based Access Control (RBAC), Endpoint Security, Business Logic, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Real Estate, Risk Management, Property and Real Estate, Business Risk Management, Financial Analysis, Commercial Real Estate, Economics, Market Dynamics, Commercial Construction, Investment Management, Market Data, Mortgage Loans, Investments, Market Trend, Market Analysis
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Bash (Scripting Language), Linux Commands, Unix Shell, Linux, Scripting, Unix Commands, Unix, Scripting Languages, Debugging, Code Reusability, Command-Line Interface, File I/O, Programming Principles, Operating Systems
★ 4.6 (10) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Matplotlib, Applied Machine Learning, Data Visualization, Machine Learning Methods, Supervised Learning, Statistical Methods, Statistics, Data Literacy, Probability, Artificial Intelligence and Machine Learning (AI/ML), Statistical Analysis, Computer Programming, Mathematics and Mathematical Modeling, Data Processing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Sensory Systems Analysis, Statistical Analysis, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Image Analysis, Medical Imaging, Statistical Inference
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Web Frameworks, Scalability, JavaScript Frameworks, Web Development, File I/O, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Operational Databases, Application Programming Interface (API), Software Development Tools
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, LLM Application, Application Deployment, Model Training, Cloud Deployment, Continuous Deployment, AI Workflows, Large Language Modeling, AI Security, Prompt Engineering, Retrieval-Augmented Generation, Scalability, CI/CD, Site Reliability Engineering, Model Evaluation, Release Management, Containerization, Continuous Monitoring, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Blockchain, Cryptography, FinTech, Cryptographic Protocols, Emerging Technologies, Machine Learning Methods, Encryption, Ledgers (Accounting), Bookkeeping, Machine Learning, Financial Data, AI Enablement, Machine Learning Algorithms, Applied Machine Learning, Artificial Intelligence, Financial Systems, Supervised Learning, Data Structures, Information Privacy, Entrepreneurship
★ 4.7 (48) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Open Shortest Path First (OSPF), Computer Networking, Network Engineering, Network Planning And Design, TCP/IP, General Networking, OSI Models, Wireless Networks, Network Routing, Virtualization and Virtual Machines, Security Controls, Network Switches, Event Monitoring, Local Area Networks, Cloud Infrastructure, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data
★ 4.7 (30) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: ChatGPT, Prompt Engineering Tools, Software Documentation, Prompt Engineering, Prompt Patterns, Test Automation, Docker (Software), AI Integrations, Technical Documentation, Software Design, API Design, AI literacy, Unit Testing, Application Programming Interface (API), Application Development, Technical Communication
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Computer Security Incident Management, Cyber Threat Intelligence, Distributed Denial-Of-Service (DDoS) Attacks, Event Monitoring, Cybersecurity, Incident Management, Cyber Security Strategy, Threat Management, Model Training, Anomaly Detection, Continuous Monitoring, Cyber Security Policies, Security Management, System Monitoring, Network Analysis, Data Analysis
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months