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.

Johns Hopkins University
Skills you'll gain: Database Management, Apache Hadoop, Query Languages, Big Data, Databases, SQL, Data Access, Distributed Computing, Performance Tuning, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Virtual Networking, Amazon Web Services, Cloud-Native Computing, Network Architecture, Network Routing, Data Pipelines, Network Security, Microservices, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Identity and Access Management, Cloud Security, Network Security, Threat Detection, Amazon S3, Infrastructure Security, Data Security, Security Management, Vulnerability Management, Vulnerability Assessments, Key Management, Distributed Denial-Of-Service (DDoS) Attacks, Encryption
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Sustainability Reporting, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Development, Sustainable Systems, Sustainability Standards, Business Reporting, Annual Reports, Strategic Leadership, Leadership, Social Impact, Organizational Structure, Climate Change Mitigation, Marketing Management, Accounting, Marketing, Communication
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Public Health, Health Policy, Social Determinants Of Health, Community Development, Sustainable Design, Climate Change Adaptation, Demography, Environmental Issue, Traffic Flow Optimization, Pollution Prevention, Environmental Engineering
Mixed · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Prompt Engineering, Generative AI Agents, Retrieval-Augmented Generation, Generative Model Architectures, CrewAI, AI Orchestration, Vector Databases, AI Workflows, Model Deployment, AI Personalization, Generative AI, Transfer Learning, Kubernetes, Enterprise Application Management, ChatGPT, Agentic systems, MLOps (Machine Learning Operations), Python Programming, System Monitoring, Engineering
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Prompt Engineering, MongoDB, Query Languages, Metadata Management, Performance Tuning, Embeddings, Data Pipelines
Intermediate · Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Estimation, Advanced Mathematics, Mathematical Modeling, Matlab, Linear Algebra, Statistical Methods, Predictive Analytics, Predictive Modeling, Applied Mathematics, Time Series Analysis and Forecasting, Probability, Statistical Inference, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Data Literacy, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Business Ethics, Accountability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Ethical Standards And Conduct, Compliance Management, Regulatory Compliance, Corporate Sustainability, Overcoming Objections, Culture Transformation, Organizational Change, Stakeholder Engagement, Advocacy, Corporate Strategy, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Management Institute (PMI) Methodology, Project Management Life Cycle, Practice Management, Project Risk Management, Project Management, Project Planning, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Research Methodologies, Research Design, Qualitative Research, Critical Thinking, Persistence, Program Evaluation, Case Studies, Tenacity, Psychological Evaluations, Surveys, Data Collection, Reliability, Descriptive Statistics, Interviewing Skills
Beginner · Course · 1 - 4 Weeks