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.

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Threat Detection, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Exploitation techniques, Penetration Testing, Cyber Attacks, Data Persistence, Scripting, IT Automation, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
★ 4.5 (558) · Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Computer Programming Tools, Development Environment, Software Development Tools, UI Components, Web Development, Front-End Web Development, User Interface (UI), Interactive Design, Collaborative Software, Design Elements And Principles
★ 4.7 (141) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Linux Administration, Operating System Administration, Linux, Linux Servers, Virtualization, Systems Administration, Containerization, Virtualization and Virtual Machines, Linux Commands, Application Deployment, Virtual Machines, Server Administration, Data Maintenance, Virtual Networking, File Management, Disaster Recovery, Data Loss Prevention, OS Process Management, Service Management, User Accounts
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Computational Thinking, Data Science, Analysis, Probability & Statistics, Python Programming
★ 4.7 (543) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Innovation, Entrepreneurship, Team Building, Business Modeling, Environmental Issue, Business Planning, New Business Development, Sustainable Business, Corporate Sustainability, Business Strategies, Sustainable Development, Social Impact, Entrepreneurial Finance, Energy and Utilities, Sustainable Design, Stakeholder Engagement, Case Studies, Market Opportunities
★ 4.7 (2.9K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Tool Calling, AI Workflows, Generative AI Agents, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Data Visualization, Agentic systems, Analytics, Software Development
★ 4.5 (144) · Intermediate · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutrition Counseling, Nutritional Assessment, Sports Medicine, Nutrition Education, Physiology, Kinesiology, Endocrinology, Health And Wellness Coaching, Biochemistry, Stress Management, Systems Of Measurement
★ 4.6 (442) · Intermediate · Specialization · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Emerging Technologies, Distributed Computing, Cloud Platforms, Microsoft Azure, Platform As A Service (PaaS), File Systems, Application Development, Scalability, Data Storage
★ 4.6 (1.2K) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, LLM Application, OpenAI, Large Language Modeling, Application Development
★ 4.7 (2.5K) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Stored Procedure, SQL, Database Management, Databases, MySQL, Transaction Processing, Database Systems, Database Management Systems, PostgreSQL, Query Languages, Data Integrity, Data Access, Business Logic, Role-Based Access Control (RBAC), Advanced Analytics, Authorization (Computing), Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Data Ethics, Law, Regulation, and Compliance, Generative AI, Responsible AI, Data Governance, Microsoft 365, Personalized Campaigns, AI powered creativity, Sales Enablement, Marketing Automation, Marketing Operations, Customer experience improvement, Regulatory Compliance, Business Process Automation, Compliance Management, AI literacy, AI Enablement, Critical Thinking
★ 4.4 (234) · Beginner · Specialization · 1 - 3 Months

Cloudera
Skills you'll gain: Database Design, SQL, Apache Hive, Relational Databases, Databases, Database Management, Database Management Systems, Big Data, Database Systems, Amazon Web Services, MySQL, Data Management, Query Languages, Amazon S3, Apache Hadoop, Data Storage, NoSQL, Data Storage Technologies, Cloud Storage, Data Analysis
★ 4.7 (1.4K) · Beginner · Specialization · 3 - 6 Months