Computer hardware courses can help you learn about computer architecture, circuit design, and system integration. You can build skills in troubleshooting hardware issues, assembling components, and optimizing performance for various applications. Many courses introduce tools like multimeters, oscilloscopes, and CAD software, that support designing and testing hardware systems.

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Back-End Web Development, Django (Web Framework), Version Control, Git (Version Control System), API Testing, Web Development, Authentications, API Design, Application Development, Application Programming Interface (API), Restful API, Unit Testing, Test Tools, Database Development, MySQL, User Accounts, Web Applications, Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Vulnerability Assessments, Open Web Application Security Project (OWASP), Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Threat Modeling, Cybersecurity, Malware Protection, Mobile Security, Cyber Threat Intelligence, Penetration Testing, Exploitation techniques, Brute-force attacks, Network Security, Cryptography, Threat Management, Information Systems Security, Threat Detection, Cloud Security
Beginner · Specialization · 3 - 6 Months
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Laboratory Reports, Molecular Biology, Research Reports, Molecular, Cellular, and Microbiology, Biology, R (Software), Correlation Analysis, Informatics, Data Visualization Software, Biotechnology, Scientific Visualization, Network Model, Data Analysis Software, Data Synthesis, Life Sciences, Data Analysis, Microbiology, Analysis
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Programming Principles, Middleware, Scalability, Web Design, Computer Programming, Maintainability, UI Components
Intermediate · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, FinTech, Data Sharing, Public Key Infrastructure, Transaction Processing, Key Management, Fraud detection, Distributed Computing, Payment Systems, Data Integrity, Network Model, Emerging Technologies, Digital Assets, Authentications, Data Security, Information Privacy, Digital Transformation
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: React.js, Debugging, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Algorithms, Graph Theory, Model Optimization, Applied Mathematics, Theoretical Computer Science, Combinatorics, Operations Research
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Algorithms, Computer Programming, Computational Thinking, Graph Theory
Mixed · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Prompt Engineering, AI Personalization, AI Security, GitHub Copilot, Generative AI, Infrastructure as Code (IaC), Legal Risk, Requirements Analysis, Test Tools, Software Testing, ChatGPT, Risk Analysis, Sprint Planning, Software Development Tools, Software Development Life Cycle, User Interface and User Experience (UI/UX) Design, Automation, Software Documentation, Artificial Intelligence, Software Architecture
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Responsible AI, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Governance, Cyber Governance, Law, Regulation, and Compliance, Information Privacy, Regulation and Legal Compliance, Data Governance, Data Security, Machine Learning, Computer Security, Risk Management Framework
Beginner · Course · 1 - 3 Months