HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

University of Colorado Boulder
Skills you'll gain: Graph Theory, Model Evaluation, Arithmetic
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, Responsible AI, Infrastructure as Code (IaC), Amazon CloudWatch, Application Deployment, Amazon Elastic Compute Cloud, CI/CD, AWS CloudFormation, Unit Testing, Continuous Deployment, Cloud Deployment, Continuous Integration, DevOps, Devops Tools, Code Review, Amazon Web Services, Serverless Computing, Containerization, Data Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Interoperability, Data Transformation, Secure Coding, Python Programming
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Electrical Engineering, Communication Systems, Programming Principles, Electronics, Telecommunications, Algorithms, Linear Algebra, Time Series Analysis and Forecasting, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Research Reports, Statistical Hypothesis Testing, Survey Creation, Research Design, Statistical Analysis, Data Collection, Quantitative Research, Research Methodologies, Data Preprocessing, Statistics, Data Analysis, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Machine Learning Algorithms, Big Data, Product Development, Data Preprocessing, Analytics, File Systems, New Product Development, Data Analysis, Machine Learning, Internet Of Things, Supervised Learning, Product Planning, Unsupervised Learning, Data Storage, Project Planning, Systems Of Measurement, Staff Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, AI Orchestration, Model Deployment, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, CrewAI, Agentic Workflows, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Agentic systems, OpenAI, Systems Integration, Tool Calling, Google Gemini, Workflow Management, Automation, Prompt Engineering, Responsible AI
Intermediate · Specialization · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Crisis Management, Organizational Change, Strategic Leadership, Leadership, Resilience, Team Leadership, Organizational Leadership, Dealing With Ambiguity, Change Management, Adaptability, Overcoming Objections, Compassion, Emotional Intelligence, Process Improvement, Empathy, Communication Strategies, Employee Engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Test Script Development, Technical Communication, Scripting, Technical Writing, Automation, Technical Consulting, Security Controls
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Systems, Database Management, NoSQL, Databases, Database Development, SQL, Big Data, Model Evaluation, Apache Hadoop, Database Management Systems, MySQL, Statistical Analysis, Data Visualization, Database Theory, Data Analysis, Exploratory Data Analysis, Transaction Processing, Data Preprocessing
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Database Management Systems, Database Design, Database Architecture and Administration, Database Application, Relational Databases, SQL, Data Modeling, Query Languages, Data Integrity, Data Manipulation, Data Security
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Sales Process, Sales Presentations, Verbal Communication Skills, Product Knowledge, Communication, AI Personalization, Sales, Non-Verbal Communication, Sales Strategy, Microsoft Copilot, Generative AI Agents, Value Propositions, Customer Relationship Management, AI Enablement, Responsible AI
Advanced · Course · 1 - 4 Weeks