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: Seaborn, Matplotlib, NumPy, Scatter Plots, Statistical Visualization, Data Visualization Software, Box Plots, Histogram, Exploratory Data Analysis, Jupyter, Heat Maps, Data Manipulation, Development Environment, Python Programming
Mixed · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Unreal Engine, Animations, Animation and Game Design, Virtual Environment, Game Design, 3D Modeling, 3D Assets, Motion Graphics, Video Game Development, Timelines, Prototyping, Data Import/Export, Creativity, User Interface (UI), Interactive Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months

JetBrains
Skills you'll gain: Large Language Modeling, Generative AI Agents, Software Development Tools, IntelliJ IDEA, Artificial Intelligence, AI Product Strategy, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Integrated Development Environments, Agentic systems, Software Development, Generative AI, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, Sampling (Statistics), Probability Distribution, R (Software), R Programming, Probability & Statistics, Bayesian Statistics, Data Analysis, Probability, Statistics, Statistical Analysis, Statistical Inference
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Preprocessing, Model Evaluation, Applied Machine Learning, Big Data, Google Cloud Platform, Data Manipulation, Predictive Analytics, Machine Learning, Exploratory Data Analysis, SQL
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Active Directory, Windows Servers, Firewall, Google Cloud Platform, Virtual Networking, Virtual Machines, Servers, System Testing, Network Security, SQL
Advanced · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Development, Web Scraping, Web Applications, Back-End Web Development, Integration Testing, Python Programming, Web Services, Extensible Markup Language (XML), Package and Software Management, Development Testing, Unit Testing, Performance Tuning, Cross Platform Development, Hypertext Markup Language (HTML), Interoperability, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Performance Tuning, System Configuration, OS Process Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, Disaster Recovery, Computer Architecture, Data Access
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Relational Databases, Database Management, Database Systems, Performance Tuning, Databases, Database Administration, Query Languages
Intermediate · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Web Applications, Event-Driven Programming, Debugging
Intermediate · Course · 1 - 3 Months