English writing courses can help you learn grammar, punctuation, and effective sentence structure, along with crafting essays, reports, and creative pieces. You can build skills in developing a clear voice, organizing ideas logically, and editing for clarity and impact. Many courses introduce tools such as word processors, grammar checkers, and collaborative writing platforms, which enhance your writing process and facilitate feedback.

EDUCBA
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Software Development, Software Design, Software Architecture, Embedded Systems, Software Systems, Middleware, Systems Architecture, Extensible Markup Language (XML), System Configuration, Application Frameworks, Interoperability, Event-Driven Programming, Communication Systems
Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, Bash (Scripting Language), File Management, Unix Shell, User Provisioning, System Monitoring, Shell Script, Operating Systems, System Software, Patch Management, Software Installation, OS Process Management
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Loyalty Programs, Customer Relationship Management (CRM) Software, Customer Relationship Building, Brand Loyalty, Customer Analysis, Customer Retention, Relationship Management, Customer Success Management, Sales Management, Marketing Automation, Marketing Strategies, Target Audience, Data-Driven Marketing, Business Development, Performance Management, Performance Measurement, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Substation, Electrical Systems, Electrical Power, Control Systems, Electric Power Systems, High Voltage, Electrical Equipment, Electrical Wiring, Low Voltage, Electrical Safety, Three-Phase, Plant Operations and Management, Building Services Engineering, HVAC, Energy and Utilities, Mechanical Design, Wiring Diagram, Schematic Diagrams, Construction, Civil Engineering
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Electrical Power, Energy and Utilities, Electric Power Systems, Electrical Systems, Petroleum Industry, Regulatory Requirements, Environmental Regulations, Customer Engagement, Regulatory Affairs, Regulatory Compliance, Capacity Management, Sustainable Systems, Emerging Technologies, Billing, Technology Strategies, Environmental Issue, Environmental Policy, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Continuous Integration, Development Testing, Test Automation, Unit Testing, Development Environment, Middleware, Program Development, z/OS, Mainframe Computing, Debugging, Integrated Development Environments, Mainframe Technologies, Data Structures, Computer Programming, Programming Principles, Application Programming Interface (API), File I/O, Performance Tuning, Automation
Intermediate · Course · 3 - 6 Months

Salesforce
Skills you'll gain: Time Management, Productivity, Growth Mindedness, Sales Development, Professional Development, Goal Setting, Prioritization, Professionalism, Collaboration, Open Mindset, Personal Development, Teamwork, Sales, Performance Metric, Constructive Feedback, Self-Awareness, Salesforce, Stress Management, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, Fine-tuning, Prompt Engineering, OpenAI, Large Language Modeling, ChatGPT, Multimodal Prompts, Application Performance Management, Generative Model Architectures, Generative AI, LLM Application, Image Analysis, Photo Editing, Token Optimization, Application Programming Interface (API), Animations, Tool Calling, File Management, Python Programming, Computer Science
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Quality Management, Quality Management Systems, ISO 9000 Series, Statistical Process Controls, Product Quality (QA/QC), Quality Improvement, Quality Monitoring, Quality Assessment, Service Improvement, Customer experience strategy (CX), Customer experience improvement, Continuous Quality Improvement (CQI), Quality Control, User Feedback, Product Improvement, Continuous Improvement Process, Technical Standard, Process Improvement
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Differential Equations, Physics, Electrical Systems, Materials science, Integral Calculus, Advanced Mathematics, Energy and Utilities, Applied Mathematics, Engineering Calculations, Engineering, Mechanics, Electronic Components, Engineering Analysis, Mathematical Modeling, Scientific Visualization
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Sample Size Determination, Statistical Inference, Estimation, Business Analytics, Statistics, Probability & Statistics, Sampling (Statistics), Statistical Analysis, Microsoft Excel, Excel Formulas, Probability Distribution, Data Analysis
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Innovation, Entrepreneurship, Team Building, Business Modeling, Environmental Issue, Business Planning, New Business Development, Sustainable Business, Corporate Sustainability, Business Strategies, Sustainable Development, Social Impact, Entrepreneurial Finance, Energy and Utilities, Sustainable Design, Stakeholder Engagement, Case Studies, Market Opportunities
Beginner · Course · 1 - 3 Months