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: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Cyber Attacks, System Monitoring, Communication Systems, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Database Design, SQL, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, R Programming, Knitr, Continuous Integration, Development Testing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Incident Response, Data Analysis Software, Information Management, Data Management, Data Storage, Configuration Management, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Application Deployment, MLOps (Machine Learning Operations), Cloud Deployment, Unit Testing, Docker (Software), Containerization, Kubernetes, AI Workflows, IBM Cloud, Microservices, Model Evaluation, User Feedback, Machine Learning, Performance Analysis, Business Metrics, Natural Language Processing, Time Series Analysis and Forecasting, Data Science, Python Programming
Advanced · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, SQL, Relational Databases, Database Management, Databases, Database Development, Database Design, Database Management Systems, Stored Procedure, Query Languages, Software Installation, C# (Programming Language), Data Integrity, User Accounts
Beginner · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Unsupervised Learning, Supervised Learning, Statistical Machine Learning, Predictive Analytics, Advanced Analytics, Data Analysis, R Programming, Statistical Methods, Statistical Inference, Statistical Analysis, Machine Learning Algorithms, Machine Learning, Graph Theory, Classification Algorithms, Probability & Statistics, Big Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Front-End Web Development, Web Design, Prototyping, Web Development, Hypertext Markup Language (HTML), Design, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Performance Tuning, Django (Web Framework), Authentications, PostgreSQL, Scalability, Application Deployment, Cloud Hosting, User Accounts, Application Security, Python Programming
Advanced · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Descriptive Statistics, Statistical Methods, Probability & Statistics, Data Ethics, Data Collection, Exploratory Data Analysis, Statistical Reporting, Logistic Regression, Statistical Modeling, Data Cleansing
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Video Game Development, Animations, Event-Driven Programming, Animation and Game Design, Game Design, Storyboarding, 3D Assets, Programming Principles, Computer Graphics, Computer Programming, Scripting, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Debugging, Data Structures
Beginner · Guided Project · Less Than 2 Hours