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: Apache Spark, Retrieval-Augmented Generation, OpenAI API, Generative AI, LLM Application, Model Evaluation, Data Preprocessing, Large Language Modeling, Generative Adversarial Networks (GANs), Predictive Modeling, Matplotlib, Keras (Neural Network Library), Fine-tuning, Transfer Learning, Deep Learning, Machine Learning Methods, Applied Machine Learning, Seaborn, Statistical Modeling, Machine Learning
★ 5 (6) · Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: User Accounts, Real Time Data, Authentications, Frontend Integration, Cloud Applications, Application Development, Security Controls, NoSQL, Serverless Computing, Data Management, Data Access, Data Structures, Data Storage, Cloud Security
★ 4.6 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Alteryx, Predictive Modeling, People Analytics, Scripting, R Programming, Predictive Analytics, Data Science, Advanced Analytics, Scripting Languages, R (Software), Trend Analysis, Data Preprocessing, Data Integration, Exploratory Data Analysis, Data Manipulation, Data Visualization Software, Data Analysis, Model Evaluation, Employee Retention, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: React.js, Cascading Style Sheets (CSS), UI Components, Event-Driven Programming, User Experience Design, User Interface (UI), Application Programming Interface (API), Front-End Web Development, Data Management, JavaScript Frameworks, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Ggplot2, Plot (Graphics), Tidyverse (R Package), Data Visualization, Statistical Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Wrangling, Data Manipulation, R (Software)
★ 5 (20) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Software Development Life Cycle, Program Development, Plot (Graphics), Data Presentation, Event-Driven Programming, Web Design and Development, Web Development Tools, Data Literacy, Animation and Game Design, Software Development, Hypertext Markup Language (HTML), Applied Machine Learning, Javascript, Interactive Design, Visualization (Computer Graphics), Graphics Software, Software Design, Application Design, Computer Graphics, Code Reusability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, API Testing, Application Programming Interface (API), Authentications, Test Script Development, Test Automation, JSON, Security Testing, Java Programming, Scenario Testing, Java, Test Tools, Test Case, Build Tools, Authorization (Computing), Development Environment, Data Validation, Verification And Validation, Back-End Web Development
★ 4.9 (47) · Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks