Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Transformation, Business Intelligence, Data Modeling, Interactive Data Visualization, Data Manipulation, Business Intelligence Software, Dashboard, Data Wrangling, Data Visualization Software, Microsoft Excel, Dashboard Creation, Data Presentation, Data Sharing, Performance Reporting, Data Integration, Data Import/Export
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Habit Formation, Empathy, Strategic Decision-Making, Productivity, Decisiveness, Self-Motivation, Time Management, Stress Management, Self-Discipline, Creativity, Mental Concentration, Growth Mindedness, Logical Reasoning, Empathy & Emotional Intelligence, Data-Driven Decision-Making, Emotional Intelligence, Strategic Thinking, Strategic Prioritization, Personal Development, Critical Thinking
★ 4.1 (31) · Beginner · Specialization · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Integral Calculus, Calculus, Differential Equations, Materials science, Applied Mathematics, Mathematical Theory & Analysis, General Mathematics, Mathematical Modeling, Derivatives
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Statistical Process Controls, Root Cause Analysis, Lean Methodologies, Process Capability, Quality Control, Six Sigma Methodology, Process Analysis, Lean Six Sigma, Quality Monitoring, Process Improvement and Optimization, Quality Improvement, Process Improvement, Continuous Improvement Process, Operational Efficiency, Business Process Management, Waste Minimization
★ 4.8 (835) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Image Quality, Digital Signal Processing, Image Analysis, Computer Vision, Digital Communications, Computer Graphics, Medical Imaging, Applied Mathematics, Sensory Systems Analysis, Spatial Analysis, Linear Algebra, Matlab, Mathematical Modeling, Histogram, Differential Equations
★ 4.7 (1.1K) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Order Fulfillment, Online Advertising, E-Commerce, Order Delivery, Order Processing, Order Management, Google Ads, Digital Advertising, General Sales Practices, Market Research, Marketing, Retail Management, Advertising Campaigns, Sales Strategy, Sales, Business Research, Retail Store Operations, Shipping and Receiving, Marketing Strategies, Market Trend
★ 4.8 (2K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Generative AI Agents, AI Orchestration, Multimodal Prompts, Agentic Workflows, Embeddings, JSON, Tool Calling, Large Language Modeling, Agentic systems, Vector Databases, Unstructured Data, System Testing
★ 4.4 (31) · Advanced · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Ad Hoc Reporting, Microsoft Excel, Business Reporting, Microsoft Access, Data Analysis Software, Data Manipulation, Business Intelligence Software, Data Presentation, Data Analysis, Business Intelligence, Data Access
Mixed · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Health And Wellness Coaching, Kinesiology, Coaching, Exercise Science, Motivational Interviewing, Patient Education And Counseling, Empowerment, Human Musculoskeletal System, Physiology, Mental Health, Diversity Awareness, Empathy, Anatomy, Endocrinology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Fire And Life Safety, Building Codes, Building Services Engineering, HVAC, Mechanical Ventilation, Safety Standards, Health And Safety Standards, Building Design, Engineering Calculations, Mechanical Engineering, Design Specifications
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Fire And Life Safety, Safety Standards, Health And Safety Standards, Safety Assurance, Accident Prevention, Hazard Analysis, Injury Prevention, Engineering Practices, Building Codes, Environment Health And Safety, Environmental Issue, Engineering Design Process, Building Design, Environment, Risk Management, Human Factors, Chemistry, Emergency Response
★ 4.7 (586) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Applicant Tracking Systems, Time Management, Human Resources Software, HR Tech, Calendar Management, Employee Onboarding, Timelines, New Hire Orientations, Organizational Skills, Project Schedules, Full Cycle Recruitment, Project Management Software, Procedure Development, Productivity Software, Document Management
★ 4.4 (501) · Intermediate · Guided Project · Less Than 2 Hours