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: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
★ 4.5 (38) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Verification And Validation, Release Management, Maintainability, Experimentation, Performance Testing, Benchmarking, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

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

University of Copenhagen
Skills you'll gain: European History, Immigration Law, Political Sciences, Cultural Diversity, Social Justice, Policy Analysis, International Relations, Case Law, Social Sciences, Public Policies, Advocacy, Law, Regulation, and Compliance, Governance
★ 4.8 (69) · Beginner · 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

Johns Hopkins University
Skills you'll gain: Request for Proposal, Presentations, Technical Communication, Persuasive Communication, Proposal Writing, Oral Expression, Proposal Development, Technical Writing, Intercultural Competence, Public Speaking, Verbal Communication Skills, Design Thinking, Communication, Teamwork, Communication Strategies, Concision, Communication Planning, Innovation, Professional Development, Target Audience
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Mechanics, Mechanical Engineering, Engineering Analysis, Torque (Physics), Engineering Calculations, Engineering, Systems Engineering, Physics, Calculus, Applied Mathematics, Mathematical Modeling, Integral Calculus, Derivatives
★ 4.9 (748) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Physics, Physical Science, General Science and Research, Scientific Methods, Environment, Scientific Visualization, Safety Assurance, electromagnetics, Science and Research, Research, Personal protective equipment, Energy and Utilities
★ 4.7 (69) · Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Prompt Patterns, Content Optimization, AI powered creativity, Digital Publishing, AI Personalization, Driving engagement, AI literacy, Process Optimization, Business Process Automation, LLM Application, Business Process
★ 4.3 (21) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Human Factors (Security), Information Systems Security, Data Persistence
★ 4.2 (37) · Intermediate · Course · 1 - 3 Months

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Surgery, Perioperative Care, Chronic Diseases, Operating Room (OR), Acute Care, Diagnostic Tests, Patient Evaluation, Medical Management, Patient Preparation, Respiration, Infectious Diseases, Anatomy, Pathology, Clinical Practices, Pharmacotherapy, Immunology
★ 4.8 (678) · Intermediate · 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