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.

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Database Management, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Data Migration, Google Cloud Platform, Operational Databases, Database Administration, Virtual Private Networks (VPN), Database Management
Advanced · Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Integrated Development Environments, Java Programming, Java, Object Oriented Programming (OOP), Development Environment, Software Installation, Debugging, Computer Programming
Beginner · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Application Development, Generative AI Agents, Large Language Modeling, Software Development Tools, AI Enablement, IntelliJ IDEA, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: Health Informatics, ICD Coding (ICD-9/ICD-10), Clinical Data Management, Data Mining, Medical Records, Clinical Informatics, Descriptive Analytics, Database Design, Electronic Medical Record, Precision Medicine, Analytics, Relational Databases, Patient Flow, Exploratory Data Analysis, Predictive Analytics, Descriptive Statistics, Predictive Modeling, SQL, Interoperability, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, CI/CD, Application Deployment, Cloud-Native Computing, DevOps, Continuous Integration, Containerization, Continuous Deployment, Package and Software Management, YAML, Git (Version Control System)
Advanced · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Data Analysis, Data Wrangling, Probability & Statistics, Unsupervised Learning, Text Mining, Data Manipulation, Statistical Analysis, Data Preprocessing, Data Structures, Data Cleansing, Python Programming
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Data Wrangling, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Data Import/Export, Data Analysis, Exploratory Data Analysis, Java, Data Processing, Data Manipulation, Java Programming, Statistics
Intermediate · Guided Project · Less Than 2 Hours