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.

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
Beginner · Course · 1 - 3 Months

Howard University
Skills you'll gain: Data Wrangling, Linear Algebra, Regression Analysis, Data Manipulation, Predictive Modeling, Dimensionality Reduction, Data Science, Data Visualization, Applied Mathematics, Plot (Graphics), Mathematical Modeling, Scientific Visualization, Data Preprocessing, NumPy, Predictive Analytics, Statistical Modeling, Mathematical Software, Statistical Methods, Algebra, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Warehousing, Data Flow Diagrams (DFDs), Data Modeling, Data Pipelines, Ansible, Cloud Security, Diagram Design, Data Validation, Database Design, Apache Airflow, Star Schema, Snowflake Schema, Interviewing Skills, Apache Spark, PySpark, CI/CD, Docker (Software), SQL, Workflow Management, Git (Version Control System)
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Web Development Tools, Web Design, Development Testing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Test Tools, Mainframe Computing, Mainframe Technologies, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Interface (UI) Design, UI Components, Web Components, Microsoft Development Tools, Frontend Performance, Front-End Web Development, Performance Tuning, Data Management, Event-Driven Programming, Application Frameworks, Web Applications, Server Side, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java, Mobile Development, Java Programming, Object Oriented Programming (OOP), Application Frameworks, Android Development, Application Development, Program Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Content Optimization, Web Analytics and SEO, Content Development and Management, Writing and Editing, Driving engagement, Social Media Marketing, Extensible Markup Language (XML), Frontend Performance, Digital Marketing Tools, Prioritization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: A/B Testing, Pandas (Python Package), Matplotlib, Plotly, Statistical Methods, GitHub, Data Manipulation, Statistical Hypothesis Testing, Version Control, Statistical Analysis, Data Science, Data Visualization Software, Python Programming, NumPy, Statistics, Data Analysis, Git (Version Control System), Collaborative Software, AI Workflows, Data Transformation
Beginner · Course · 1 - 3 Months

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks