Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Selenium (Software), Test Driven Development (TDD), Performance Stress Testing, API Testing, Unit Testing, Performance Testing, Application Programming Interface (API), User Interface (UI), Javascript
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Data Analysis, Statistical Reporting, Analytical Skills, Quantitative Research, Statistical Analysis, Statistical Software, Small Data, Qualitative Research, R (Software), R Programming, Sampling (Statistics), Technical Communication, Research Methodologies, Statistical Hypothesis Testing
★ 4.9 (28) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: File I/O, Data Structures, Data Processing, Data Literacy, Data Manipulation, Python Programming, Development Environment, Software Installation
★ 4.9 (10) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Front-End Web Development, Web Development Tools, Web Design and Development, User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), React.js, Web Development, Web Design, Javascript, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Hypertext Markup Language (HTML), Semantic Web
★ 3.8 (14) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Prompt Patterns, Tool Calling, LLM Application, JSON, Large Language Modeling, Artificial Intelligence
★ 4.6 (16) · Beginner · Project · Less Than 2 Hours

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, Software Installation
★ 4.8 (13) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Statistical Programming, Histogram, Statistical Analysis, Database Application, Database Software, Integrated Development Environments, Python Programming
★ 4.6 (34) · Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: File I/O, Data Structures, Programming Principles, Data Manipulation, Software Installation, Python Programming, Data Processing, Development Environment
★ 4.8 (22) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Unified Modeling Language, Software Design, Java, Java Programming, Software Architecture, User Interface and User Experience (UI/UX) Design, API Design, Software Development, AI Integrations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Applications, Web Design and Development, Javascript, Frontend Integration, Web Design, Web Development, Front-End Web Development, Game Design, Program Development
★ 4.2 (12) · Intermediate · Guided Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Clinical Documentation, Predictive Modeling
Intermediate · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Web Scraping, Data Integration, Data Processing, Data Preprocessing, Data Cleansing, Data Manipulation, Natural Language Processing, Jupyter, Pandas (Python Package), Hypertext Markup Language (HTML), JavaScript Frameworks, Data Collection
★ 4.3 (15) · Beginner · Course · 1 - 4 Weeks