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.

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Music Performance, Creativity, Writing and Editing, Writing
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operating Systems, Network Security, Hardware Troubleshooting, Network Troubleshooting, Microsoft Windows, Network Infrastructure, Computer Hardware, Command-Line Interface, Computer Networking, Technical Support and Services, Systems Administration, System Support, Unix, Mac OS, General Networking, System Configuration, Unix Commands, Operating System Administration, Data Storage, Active Directory
Intermediate · Specialization · 3 - 6 Months

Universidad de Palermo
Skills you'll gain: Negotiation, Game Theory, Social Skills, Decision Making, Conflict Management, Relationship Building, Strategic Decision-Making, Interpersonal Communications, Verbal Communication Skills, Leadership, Communication, Emotional Intelligence, Team Leadership, Team Management, Organizational Leadership, Leadership Development, Industrial and Organizational Psychology, Leadership and Management, Coordination, Behavioral Economics
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Financial Statements, Accounting, Ledgers (Accounting), General Accounting, Financial Acumen, Revenue Management, Inventory Control Systems, Inventory Management, Decision Making
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: HubSpot CRM, Customer Relationship Management, Customer Data Management, Email Marketing, Marketing Materials, Business Software, Sales Development, Customer Communications Management, Sales Pipelines, Dashboard, Data Management, Customer Service, Marketing, Sales Operations, Team Oriented
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Data Manipulation, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Recurrent Neural Networks (RNNs), Artificial Neural Networks, Deep Learning, Tensorflow, Text Mining, Embeddings, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Production Planning, Production Process, Manufacturing Operations, Lean Manufacturing, Resource Planning, Inventory Control, Supply Chain Planning, Inventory Management System, Capacity Planning, Operations Management, Scheduling, Operational Efficiency, Time Series Analysis and Forecasting, Demand Planning, Forecasting, Transportation Operations
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, GitHub, Git (Version Control System), Software Documentation
Mixed · Course · 1 - 4 Weeks

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, Software Design, Interactive Design, Development Environment, Software Installation, User Centered Design
Mixed · Course · 1 - 3 Months

University of London
Skills you'll gain: Education Software and Technology, Learning Management Systems, Collaboration, Digital pedagogy, Discussion Facilitation, Graphical Tools, Test Tools
Beginner · Course · 1 - 4 Weeks