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: Relational Databases, Power BI, Microsoft Azure, Database Management, NoSQL, Dashboard, Cloud Deployment, Dashboard Creation, Data Integration, Data Visualization, Data Visualization Software, SQL, Database Management Systems, Data Storage, Data Modeling, Cloud Storage, Extract, Transform, Load, Data Processing, Infrastructure As A Service (IaaS), Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Web Development, Performance Testing, System Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, Query Languages, Database Management, Data Analysis, Performance Tuning, Business Intelligence, Database Management Systems, Business Intelligence Software, Data Manipulation, Analytics, Data Transformation, Business Reporting, Decision Making
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Open Source Technology, Bash (Scripting Language), Unix Shell, Collaborative Software, Software Installation, Unix Commands, Microsoft Visual Studio, Software Versioning, Linux Commands, Linux, File Systems, Mac OS, Web Development Tools, Shell Script, File Management, Application Deployment, React.js
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Data Presentation, Interactive Data Visualization, Extract, Transform, Load, Dashboard Creation, Histogram, Data Transformation, Data Processing, Apache Kafka, Data Pipelines, MySQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, UI Components, Web Language, Front-End Web Development, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Apache Spark, NoSQL, Data Management, Data Infrastructure, Data Processing, Databases, Data Integration, SQL, Query Languages, Data Manipulation, Scripting Languages, Data Transformation
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
Beginner · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), Information Architecture, Cascading Style Sheets (CSS), Web Applications, HTML and CSS, Hypertext Markup Language (HTML), Verification And Validation, Server Side, Semantic Web, Web Development, Web Design and Development, Web Design, Development Testing, Web Servers, Scripting, Extensible Languages and XML, Web Frameworks, UI Components, Scripting Languages, Front-End Web Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Distributed Computing, Java Programming, Load Balancing, Middleware, Database Management Systems, NoSQL, Event-Driven Programming, Databases, Systems Architecture, Software Architecture, Computer Systems, Remote Access Systems, Microservices, Scalability, Service Management, Communication Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, Agentic systems, Agentic Workflows, Animation and Game Design, Game Design, Video Game Development, Artificial Intelligence, Software Visualization, Simulations, Scripting, Program Development, C# (Programming Language), Software Design Patterns
Intermediate · Specialization · 3 - 6 Months