Confidence courses can help you learn public speaking techniques, assertiveness training, self-presentation skills, and strategies for overcoming imposter syndrome. You can build skills in effective body language, active listening, and managing anxiety in social situations. Many courses introduce tools like visualization exercises, feedback mechanisms, and journaling techniques that support personal growth and help you apply these skills in everyday interactions.
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, R (Software), Web Scraping, Ggplot2, Model Evaluation, Statistical Reporting, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
★ 4.8 (47) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Customer Service, Network Troubleshooting, Customer Relationship Building, Computer Security Incident Management, Incident Response, Continuous Improvement Process, Customer Inquiries, Cybersecurity, Process Improvement, Client Services, Incident Management, Quality Improvement, Performance Metric, Operating Systems, Computer Hardware, Technical Support, Operating System Administration, Technical Support and Services, Digital Transformation
★ 4.5 (53) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
★ 4.6 (16) · Intermediate · Specialization · 1 - 3 Months

KodeKloud
Skills you'll gain: Cloud Computing, Cloud Solutions, Cloud Engineering, Amazon CloudWatch, Cloud Computing Architecture, Identity and Access Management, Data Migration
Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Claude Code, Anthropic Claude, Vibe coding, Generative AI Agents, Prompt Patterns, Tool Calling, Integrated Development Environments, Agentic Workflows, Software Development Tools, Code Review, AI Workflows, Software Development, GitHub, AI Personalization, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Web Development, Front-End Web Development
★ 4.4 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Accounting, Balance Sheet, Financial Reporting, Accounting, Business Valuation, Inventory Accounting, Corporate Accounting, Business Reporting, International Financial Reporting Standards, Analysis, Case Studies, Business Analysis, Business, Investments
★ 4.4 (34) · Mixed · Course · 1 - 3 Months

Atlassian
Skills you'll gain: Collaborative Software, Databases, Content Management Systems, Database Software, Database Management, Calendar Management, Content Development and Management, Content Management, Database Application, Content Creation
★ 3.7 (9) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Conflict Management, Teamwork, Storytelling, Communication Strategies, Organizational Strategy, Business Communication, Intercultural Competence, Communication, Verbal Communication Skills, Strategic Communication, Ethical Standards And Conduct, Organizational Effectiveness, Negotiation, Interpersonal Communications, Stakeholder Communications, Business Leadership, Team Performance Management, Cultural Diversity, Business Ethics, Team Collaboration
★ 4.9 (47) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Modeling, Excel Macros, Financial Analysis, Pivot Tables And Charts, Data Integrity, Bookkeeping, Excel Formulas, Trend Analysis, Balance Sheet, Reconciliation, Financial Data, Data Validation, Ledgers (Accounting), Data Quality, Spreadsheet Software, Microsoft Excel, Data Cleansing, Automation
★ 3.4 (11) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Overcoming Objections, B2B Sales, Business Development, Storytelling, Closing (Sales), Sales Pipelines, Return On Investment, Sales Presentation, Specialized Sales, Active Listening, Sales Presentations, Rapport Building, Sales Strategy, Sales Process, Sales, Case Studies, Sales Management, Communication, Selling Techniques, Consultative Selling
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API)
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Estate Planning, Wealth Management, Portfolio Management, Insurance, Financial Planning, Insurance Policies, Personal Development, Finance, Asset Management, Risk Management, Portfolio Risk, Contract Review, Succession Planning, Investment Management, Land Management, Risk Modeling, Investments, Risk Analysis, Oral Expression, Financial Modeling
Beginner · Specialization · 1 - 3 Months