Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Skills you'll gain: GitHub, Devops Tools, DevOps, Version Control, CI/CD, Continuous Integration, Continuous Deployment, Software Development, Amazon Elastic Compute Cloud, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retail Management, Retail Store Operations, Retail Sales, Merchandising, Customer Analysis, Customer Insights, Product Assortment, Promotional Strategies, Strategic Marketing, Market Intelligence, Integrated Marketing Communications, Consumer Behaviour, Promotions and Campaigns, Marketing Communications, Operations Management, Financial Management, Competitive Analysis, Organizational Structure
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Natural Language Processing, grep, Text Mining, Clinical Informatics, Clinical Documentation, Clinical Data Management, R (Software), R Programming, Google Cloud Platform, Health Informatics, Unstructured Data, Data Processing
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounts Receivable, Accounts Payable and Receivable, QuickBooks (Accounting Software), Cash Flows, Accounting Software, Payment Processing, Accounting Records, Invoicing, Billing & Invoicing, Record Keeping, General Ledger
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Positivity, Stress Management, Resilience, Optimism, Crisis Intervention, Occupational Health, Community Mental Health Services, Mental Health, Injury Prevention, Case Studies, Health Promotion, Recognizing Others, Self-Awareness, Needs Assessment
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Data Modeling, Customer Analysis, Dashboard, Data Transformation, Dashboard Creation, Data Wrangling, Data Import/Export, Data Manipulation, Database Design, Business Intelligence, Interactive Data Visualization, Data Integration, Star Schema, Time Series Analysis and Forecasting, Data Cleansing, Relational Databases, Data Processing
Beginner · Specialization · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Acumen, Financial Management, Financial Data, Financial Market, Investment Management, Strategic Decision-Making, Corporate Finance, Risk Analysis, Business Risk Management
Mixed · Course · 1 - 4 Weeks

Scrum Alliance
Skills you'll gain: Prompt Engineering, User Story, Responsible AI, Business Metrics, Agile Product Development, Performance Metric, Performance Measurement, Prompt Engineering Tools, Data-Driven Decision-Making, Data Storytelling, Key Performance Indicators (KPIs), Team Building, AI Workflows, Technical Communication, Product Planning, Brainstorming, AI powered creativity, Agile Project Management, Agile Methodology, Project Management
Beginner · Specialization · 3 - 6 Months

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

LearnKartS
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Threat Management, Network Model, IT Security Architecture, Exploitation techniques, Security Controls, Security Awareness, System Design and Implementation, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months