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: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Threat Modeling, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Computational Logic, Scripting Languages, Programming Principles, Web Development Tools, Data Structures, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Statistical Analysis, R (Software), Data Preprocessing, Data Quality, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Rust (Programming Language), Prometheus (Software), System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Exploratory Data Analysis, Regression Analysis, R Programming, Statistical Analysis, Statistical Modeling, Business Analytics, Analytics, Data Analysis, Statistics, Statistical Methods, Feature Engineering, Statistical Inference, Data Transformation, Model Evaluation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Data Structures, Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Automation, Test Case, Software Testing, Code Review, Mockups, Python Programming
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Mathematical Software, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, PostgreSQL, Query Languages, Database Management Systems, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: IntelliJ IDEA, Software Development Tools, Development Environment, Scala Programming, Build Tools, Software Development, Software Installation, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

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