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: Exploratory Data Analysis, Box Plots, Plot (Graphics), Data Visualization, Ggplot2, Data Visualization Software, Statistical Visualization, Scatter Plots, Histogram, Data Analysis, Graphing, Python Programming
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: File I/O, Data Structures, Data Processing, Data Analysis Software, Data Manipulation, Python Programming, Development Environment, Software Installation
★ 4.9 (11) · Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
★ 3.9 (11) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Code Reusability, Application Development, Data Structures, Linux
★ 4.9 (8) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Database Development, Systems Development, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Process Modeling, Payment Systems, Document Management, Authentications, Verification And Validation
★ 4.5 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Software Design, Object Oriented Programming (OOP), Apache Maven, Object Oriented Design, Integrated Development Environments, Software Development Tools, Build Tools, Version Control, Software Architecture, Git (Version Control System), GitHub, Data Import/Export, Development Environment, Java, Program Development, Kotlin, Debugging, Java Programming, Software Installation
★ 4.7 (72) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Model Evaluation, Feature Engineering, Data Preprocessing, Statistical Analysis, Forecasting, Regression Analysis, Python Programming, Data Analysis, Predictive Modeling, Data Science, Data Transformation
★ 4.5 (43) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Eclipse (Software), Java, Integrated Development Environments, Java Programming, Code Reusability, Functional Design
★ 4.2 (21) · Intermediate · Guided Project · Less Than 2 Hours

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

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Object Oriented Programming (OOP), Java, Integrated Development Environments, Data Structures, Java Programming, File I/O, Computer Programming, Algorithms, Programming Principles, Development Environment, Debugging
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, z/OS, Shell Script, Unix, File Systems, Job Control Language (JCL), Operating Systems, Command-Line Interface, OS Process Management, File Management, Mainframe Computing, Debugging, Identity and Access Management
★ 4.9 (13) · Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Infrastructure as Code (IaC), IT Automation, Command-Line Interface, Docker (Software), Software Installation, Automation, System Configuration, YAML, Configuration Management, Remote Access Systems
Beginner · Course · 1 - 4 Weeks