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.

GitLab
Skills you'll gain: Telecommuting, Virtual Teams, Team Management, Human Resources Management and Planning, Culture Transformation, Performance Metric, Leadership and Management, Organizational Change, Organizational Strategy, Business Transformation, Organizational Leadership, Team Building, Performance Management, Adaptability, Collaboration, Business Strategy, Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Multimodal Prompts, Prompt Engineering, Data Presentation, Prompt Patterns, AI Enablement, AI Personalization, Generative AI, Email Automation, LLM Application, Data Analysis, Artificial Intelligence, Complex Problem Solving, Ideation, Business Correspondence, Report Writing, Solution Design, Critical Thinking, Document Management, Machine Learning
Beginner · Specialization · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Return On Investment, Capital Budgeting, Finance, Capital Expenditure, Forecasting, Cash Flow Forecasting, Financial Modeling, Financial Analysis, Cost Benefit Analysis, Financial Management, Financial Acumen, Corporate Finance, Business Valuation, Cash Flows, Risk Analysis, Depreciation, Loans, Working Capital
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, User Experience Design, Design Reviews, Wireframing, Usability Testing, User Centered Design, Design Research, User Interface (UI) Design, Prototyping, Mockups, Figma (Design Software), Information Architecture
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Adobe InDesign, Adobe Creative Cloud, Document Management, Layout Design, File Management, Productivity Software, Graphic Design, Multimedia, Digital Publishing, Graphic and Visual Design, User Interface (UI), Style Guides, Graphic and Visual Design Software, Typography
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Drug Development, Clinical Trials, Pharmaceuticals, Clinical Research, Commercialization, Pre-Clinical Development, Good Clinical Practices (GCP), Pharmacotherapy, Pharmacology, Regulatory Affairs, Intellectual Property, Sales Strategy, Biotechnology, Portfolio Management, Bioinformatics, Precision Medicine, Strategic Partnership, Regulatory Compliance, Marketing, Marketing Strategies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cinematography, Videography, Post-Production, Video Production, Storytelling, Storyboarding, Editing, Writing, Creativity, Color Matching
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Data Lakes, Amazon DynamoDB, Amazon Web Services, Serverless Computing, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Amazon Elastic Compute Cloud, Event-Driven Programming, Cloud Security, Solution Architecture, Data Visualization, Cloud Storage, Data Architecture, Cloud Computing Architecture, API Gateway, Software Architecture
Build toward a degree
Intermediate · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Agentic systems, Systems Architecture, API Design, Maintainability, Systems Design, Solution Architecture
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Vital Signs, Respiration, Respiratory Care, Pulmonology, Pain Management, Physiology, Health Assessment, Cardiology, Thermal Management, Neurology, Patient Evaluation, Anatomy, Clinical Assessment
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ancient History, European History, Social Justice, World History, Cultural Diversity, International Relations, Sociology, Social Sciences, Political Sciences
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Supervised Learning, Transfer Learning, Recurrent Neural Networks (RNNs), Markov Model, Embeddings, Text Mining, Dimensionality Reduction, Machine Learning Methods, Statistical Machine Learning, Artificial Neural Networks, Classification Algorithms, Data Preprocessing, PyTorch (Machine Learning Library), Deep Learning, Tensorflow, Feature Engineering, Applied Machine Learning, Algorithms, Keras (Neural Network Library)
Intermediate · Specialization · 3 - 6 Months