Web application courses can help you learn front-end and back-end development, user interface design, and database management. You can build skills in coding languages like JavaScript and Python, as well as frameworks such as React and Node.js. Many courses also cover essential tools like Git for version control and SQL for database queries, showing how these skills come together to create dynamic and interactive web experiences.

Whizlabs
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Access, Metadata Management, Role-Based Access Control (RBAC), Data Cleansing, Databricks, Data Management, Data Pipelines, Data Lakes, Amazon Web Services, Amazon Redshift, Data Security, Data Warehousing, Data Quality, Data Capture, Fraud detection
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: C and C++, Exploit development, C (Programming Language), Security Testing, C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments, Interoperability, White-Box Testing
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Media and Communications, Digital Media Strategy, Social Media Campaigns, Online Advertising, Social Media Marketing, Digital Marketing, Social Media, Marketing Communications, Digital Advertising, Digital Marketing Campaigns, Digital Communications, Marketing Channel, Customer Engagement, Media Strategy, Marketing, Advertising, User Feedback, Marketing Strategies, Strategic Communication, Communication
Mixed · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Health Promotion, Health Education, Driving engagement, Media and Communications, Digital Communications, Program Evaluation, Behavioral Health, Digital Analysis, Persuasive Communication, Public Health, Web Content, Surveys
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Science, Model Evaluation, Statistical Machine Learning, Dimensionality Reduction, Statistical Modeling, Statistical Analysis, Sampling (Statistics), Statistical Methods, Regression Analysis, Statistical Inference, Machine Learning Methods, Statistics, Model Optimization, Applied Mathematics
Build toward a degree
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Ubuntu, Linux Administration, File Systems, Linux Servers, Data Storage, Network Troubleshooting, Operating Systems, Red Hat Enterprise Linux, Data Storage Technologies, Remote Access Systems, Operating System Administration, System Support, Software Installation, File Management, Service Management, General Networking
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, Agentic Workflows, AI Workflows, AI Orchestration, LLM Application, DeepSeek API, No-Code Development, Automation, AI Integrations, Debugging
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Web Analytics, Google Analytics, Frontend Performance, Content Performance Analysis, Performance Metric, Usability, Content Optimization, Digital Marketing Tools, User Experience
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, AI Security, Large Language Modeling, Security Testing, Data Loss Prevention, Continuous Monitoring, Responsible AI, Prompt Patterns, Threat Detection, System Monitoring, Personally Identifiable Information, Data Security
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Marketing Analytics, Dashboard, Dashboard Creation, Data-Driven Marketing, Data Presentation, Data Visualization, Predictive Modeling, Data-Driven Decision-Making, Marketing Strategies, Predictive Analytics, Marketing, Data Visualization Software, Market Data, Data Analysis, Forecasting, Data Collection, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Game Design, Software Design Patterns, Database Management, Program Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Token Optimization, LLM Application, Tool Calling, OpenAI API, OpenAI, Anthropic Claude, Large Language Modeling, Authentications, Generative AI, Code Review, Maintainability, AI Workflows, AI Integrations, Command-Line Interface, Application Programming Interface (API), Software Documentation, Key Management
Intermediate · Specialization · 1 - 3 Months