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.

LearnQuest
Skills you'll gain: B2B Sales, Consultative Selling, Stakeholder Engagement, Enterprise Sales, Performance Metric, Sales Presentations, Verbal Communication Skills, Oral Expression, Sales, Specialized Sales, Executive Presence, Sales Process, Sales Pipelines, Solution Sales Engineering, Sales Strategy, Technical Sales, Performance Analysis, Proposal Development, Customer Relationship Management (CRM) Software, Active Listening
Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Epidemiology, Infectious Diseases, Public Health, Program Management, Model Evaluation, Performance Testing, Data Management, Decision Support Systems
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Google Cloud Platform, Microsoft Azure, Azure Active Directory, Cloud Computing Architecture, Virtual Private Networks (VPN), Virtual Networking, User Accounts, Network Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Inventory and Warehousing, Accounting Software, Customer Data Management, Financial Analysis, Billing & Invoicing, Sales Management, Financial Reporting, Expense Management, Payroll, Accounts Payable, Bookkeeping, Cash Flows, Accounts Receivable
Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Mobile Security, Microsoft Intune (Mobile Device Management Software), Network Security, Cybersecurity, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Wireless Networks, Encryption, Application Security, Exploitation techniques, Web Applications, Cloud Security, Internet Of Things
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Application Frameworks, Web Development, Program Development, Python Programming, Computer Programming, GitHub
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: ChatGPT, OpenAI API, Model Deployment, LLM Application, Tool Calling, Large Language Modeling, Prompt Engineering, Application Programming Interface (API), No-Code Development, Python Programming, Software Installation, Open Source Technology, Development Environment, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Food Safety and Sanitation, Food and Beverage, Legal Risk, Cleanliness, Restaurant Management, Restaurant Operation, Training Programs, Compliance Management, Food Quality Assurance And Control, Regulatory Compliance, Employee Training, Health And Safety Standards, Hazard Analysis, Risk Analysis, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Programming Interface (API), Node.JS, Software Documentation, Web Services, Middleware, Authentications, JSON, Web Frameworks, Server Side, Web Applications, Back-End Web Development, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Microsoft Excel, Data Visualization Software, Pivot Tables And Charts, Geospatial Information and Technology, Spreadsheet Software, Geospatial Mapping, Data Analysis, Productivity Software, Microsoft Office, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Digital Advertising, Paid media, Presentations, Social Media Campaigns, Advertising Campaigns, Digital Marketing, Web Analytics, Search Engine Optimization, Content Strategy, LinkedIn, Content Marketing, Social Media Marketing, Marketing Analytics, Target Audience, E-Commerce, Social Media Strategy, Smart Goals, Business Analysis, Market Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Marketing Collateral, Design, Marketing Materials, Creative Design, Graphic Design, Dashboard, Digital Design, Productivity, Color Theory, Digital Content, Organizational Skills, Design Elements And Principles, Planning, Editing
Intermediate · Guided Project · Less Than 2 Hours