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.

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Java, Java Programming, Unit Testing, Software Design, Software Development, Test Driven Development (TDD), Diagram Design
★ 4.1 (15) · Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Business Analytics, Dimensionality Reduction, Data Processing, Analytics, Data Cleansing, Data Transformation, Anomaly Detection, Project Management Life Cycle, Databases, R (Software), R Programming, Data Analysis, Data Quality, Big Data, Supervised Learning
★ 4.3 (65) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), HTML and CSS, Web Development, Typography
★ 4.7 (42) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, Query Languages, Generative AI, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stored Procedure, Microsoft SQL Servers, Database Development, Transact-SQL, Performance Tuning, Database Management, Query Languages, SQL, Microsoft Copilot, AI Integrations, Code Reusability, Continuous Monitoring
★ 4.6 (15) · Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Application Development, Scripting, Scripting Languages, MySQL, Data Structures, File I/O, Python Programming, Program Development, Databases, Web Applications, SQL, File Management, Programming Principles
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Social Media Analytics, Graph Theory, Machine Learning Methods, R (Software), Machine Learning, Machine Learning Software, Model Training, Machine Learning Algorithms, Model Optimization, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, Tensorflow, Data Ethics, Large Language Modeling, Applied Machine Learning
★ 4.5 (19) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: SQL, Database Management, Relational Databases, Database Systems, Databases, Database Development, Database Theory, Performance Tuning, Database Design, Database Architecture and Administration, Stored Procedure, Database Application, Microsoft Copilot, Object-Relational Mapping, Query Languages, Data Modeling, Transaction Processing, Data Access, Data Persistence, .NET Framework
★ 4.8 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Quantum computing, Computer Programming, Software Installation, Computational Logic, Development Environment, Package and Software Management, Jupyter
★ 4.4 (19) · Beginner · Course · 1 - 4 Weeks

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
★ 4.6 (12) · Beginner · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Unreal Engine, Video Game Development, 3D Modeling, Animation and Game Design, 3D Assets, Visualization (Computer Graphics), Game Design, Computer Graphics, Multimedia, Animations, Virtual Environment, Performance Tuning, Model Optimization, Design Elements And Principles, Prototyping, Musical Composition
★ 3.6 (33) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Security Assessment, Computer Security, Threat Modeling, Secure Coding, Cyber Security Strategy, Cloud Infrastructure, Email Security, Cloud Computing Architecture, Cloud Platforms, Security Controls, Security Testing, Hardening, Cloud-Native Computing, Database Application, Zero Trust Network Access, SQL
★ 4.7 (52) · Intermediate · Course · 1 - 3 Months