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.

University of Pennsylvania
Skills you'll gain: SQL, Data Analysis, Seaborn, Exploratory Data Analysis, Analytics, Data Visualization, Database Management, Query Languages, Data Visualization Software, Matplotlib, Data Storage, Pandas (Python Package), Big Data, Data Science, Relational Databases, Data Management, Data Manipulation, Data Cleansing, NumPy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, Scripting, TCP/IP, Linux, OS Process Management, File Management, Scripting Languages, General Networking, File Transfer Protocol (FTP), Network Administration, Linux Commands, File Systems, grep
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Management Systems, Database Design, Data Maintenance, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security, Data Transformation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data-Driven Decision-Making, Data Management, Data Manipulation, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Star Schema, Data Modeling, Data Quality, Data Pipelines, Database Design, Data Mart, Data Validation, Analytics, Extract, Transform, Load, Data Analysis, Data Warehousing, Data Transformation, Data Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Software Development Tools, Data Structures, Programming Principles, Code Reusability, Program Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, Spring Framework, API Testing, Authorization (Computing), Restful API, Identity and Access Management, Secure Coding, Java Programming, Spring Boot, User Accounts, Application Programming Interface (API), API Design, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Mobile Development, UI Components, Cross Platform Development, Maintainability, Microsoft Visual Studio, Development Environment, Application Development, Integrated Development Environments, Programming Principles, User Interface (UI), Computer Programming, Software Installation
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Video Game Development, Game Design, Peer Review, Animation and Game Design, Computer Programming, Computer Graphics
Mixed · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Identity and Access Management, AWS Identity and Access Management (IAM), Authentications, Azure Active Directory, Okta, Cybersecurity, Security Management, Data Security, Cloud Security
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Model Evaluation, Regression Analysis, Verification And Validation, Feature Engineering, Plot (Graphics), Statistical Methods, Statistical Modeling, Scatter Plots, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Statistical Inference, Statistical Hypothesis Testing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks