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.

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Collaborative Software, System Design and Implementation, Interoperability, Coordination, Communication Systems, Network Protocols, Workflow Management, Case Studies, Scalability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Month End Closing, Balancing (Ledger/Billing), Variance Analysis, Fraud detection, Expense Management, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Record Keeping, Reconciliation, Income Statement, Data Validation, Payroll Systems, Expense Reports, Financial Statements, Payroll Processing, Business Metrics, Financial Analysis, General Ledger, Financial Reporting, Accounts Payable
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Overcoming Objections, Consultative Selling, Coaching, Sales Strategy, Sales Training, Sales Prospecting, Collaboration, Consumer Behaviour, Diversity Awareness, Cultural Sensitivity, Upselling, Customer Relationship Management, Virtual Teams, Sales Presentation, Sales Pipelines, Negotiation, Business Communication, Communication Strategies, Virtual Networking, Interpersonal Communications
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Healthcare Ethics, Health Informatics, Machine Learning, Deep Learning, Machine Learning Software, Clinical Informatics, Statistical Machine Learning, Convolutional Neural Networks, Data Preprocessing, Predictive Modeling, Electronic Medical Record System, Machine Learning Algorithms, Recurrent Neural Networks (RNNs), Model Evaluation, Data Analysis
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Prometheus (Software), System Monitoring, Grafana, Site Reliability Engineering, Continuous Monitoring, Interactive Data Visualization, Query Languages, Anomaly Detection, Software Visualization, Linux, YAML, Docker (Software), Incident Management, Configuration Management, Real Time Data, Analysis
Advanced · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Pipelines, Databases, Extract, Transform, Load, Data Lakes, NoSQL, SQL Server Integration Services (SSIS), Data Processing, Data Architecture, Azure Synapse Analytics, Data Warehousing, Data Management, Microsoft Azure, Data Transformation, Database Management Systems, Data Infrastructure, Data Integration, Data Governance, Data Storage Technologies, Data Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Scenario Testing, Test Planning, Unit Testing, Functional Testing, Test Case, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Dashboard, Surveys, Newsletters, Search Engine Optimization, Marketing Budgets, Email Automation, Marketing Analytics, Marketing Automation, Marketing Planning, Spreadsheet Software, Web Analytics, Email Marketing, Content Marketing, Performance Reporting, Social Media Management, Google Analytics, Collaborative Software, Lead Generation, Pivot Tables And Charts
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Stress Management, Mindfulness, Emotional Intelligence, Personal Development, Resilience, Self-Awareness, Persistence, Mental Health, Goal Setting, Adaptability, Journals, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Securities (Finance), Legal Risk, Risk Analysis, Portfolio Risk, Technical Accounting, Investment Management, Accounting, Revenue Recognition, Law, Regulation, and Compliance, Income Statement, Profit and Loss (P&L) Management, Financial Accounting, Financial Reporting, Balance Sheet
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, UI Components, Mobile Development, Database Management, Databases, User Interface (UI), Data Persistence, Data Validation, Data Modeling, Debugging
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Data Pipelines, PySpark, Scalability, Data-Driven Decision-Making, Fraud detection, Data Processing, Data Persistence, Event Monitoring, Data Transformation, JSON, Event Management
Intermediate · Course · 1 - 4 Weeks