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.

LearnKartS
Skills you'll gain: Git (Version Control System), Integrated Development Environments, Version Control, IntelliJ IDEA, Software Development Tools, Eclipse (Software), Microsoft Visual Studio, Development Environment, Software Versioning, Software Development, Release Management, Collaborative Software
Intermediate · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Real Estate, Risk Management, Property and Real Estate, Business Risk Management, Financial Analysis, Commercial Real Estate, Economics, Market Dynamics, Commercial Construction, Investment Management, Market Data, Mortgage Loans, Investments, Market Trend, Market Analysis
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Exploitation techniques, Scripting, Brute-force attacks, Scripting Languages, Shell Script, Python Programming, Program Development, Network Protocols, Data Persistence
★ 4.8 (13) · Advanced · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Healthcare Ethics, Pharmacology, Health Care, General Medicine, Medical Science and Research, Pharmaceuticals, Culture, Behavioral Health, Ancient History, Medical Practices and Procedures, World History, Public Health, Infectious Diseases
★ 4.7 (87) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Algorithms, Bioinformatics, Graph Theory, Computational Thinking, Data Structures
★ 4.8 (1.3K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Microsoft Azure, Network Security, Network Troubleshooting, Network Architecture, Network Administration, Firewall, Virtual Private Networks (VPN), Virtual Networking, Role-Based Access Control (RBAC), General Networking, Network Performance Management, Hybrid Cloud Computing, Data Migration
★ 5 (32) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Deep Learning, Model Training, Artificial Intelligence and Machine Learning (AI/ML), Fine-tuning, Machine Learning, Machine Learning Algorithms, Artificial Neural Networks, Artificial Intelligence, Model Optimization, Data Preprocessing, Regression Analysis, Software Installation, System Configuration
★ 4.5 (62) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Quality Control, Statistical Process Controls, Good Manufacturing Practices, Product Quality (QA/QC), Quality Assurance, Regulatory Compliance, Quality Management, Regulatory Requirements, Regulatory Affairs, Safety Assurance, Safety Standards, Product Testing, Analytical Testing
★ 4.5 (90) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Model Optimization, Database Design, Data Warehousing, Data Architecture, Governance
★ 2.4 (7) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Methods, Statistics, Probability & Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Probability Distribution, Probability
★ 4.1 (96) · Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Energy and Utilities, Case Studies, Facility Management and Maintenance, Property Management, Building Services Engineering, Facility Management, Real Estate, Plant Operations and Management, Thermal Management, Building Codes, Sustainable Architecture, HVAC, Auditing, Simulation and Simulation Software, Audit Planning, Climate Change Mitigation, Control Systems
★ 4.5 (191) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Java, Test Tools, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months