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: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
★ 4.3 (10) · Advanced · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Enablement, Data-Driven Decision-Making, digital literacy, Decision Support Systems, Digital Transformation
★ 4 (7) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Data Processing, Dimensionality Reduction, Data Cleansing, Machine Learning Algorithms, Data Transformation, Machine Learning Methods, Artificial Neural Networks, Random Forest Algorithm, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
★ 3.9 (15) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: PySpark, Snowflake Schema, Databricks, Data Pipelines, Apache Spark, MLOps (Machine Learning Operations), Apache Hadoop, Data Architecture, Big Data, Data Warehousing, Data Quality, Data Integration, Data Processing, DevOps, Model Training, Model Deployment, Distributed Computing, Data Transformation, SQL, Python Programming
★ 3.9 (71) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Development, Database Management, Relational Databases, Data Manipulation, Databases, Data Import/Export, PostgreSQL, Database Management Systems, Data Integrity
★ 4.7 (113) · Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Structural Analysis, Structural Engineering, Engineering Analysis, Finite Element Methods, Civil Engineering, Mathematical Modeling, Numerical Analysis, Python Programming, Building Codes, Program Development, Linear Algebra, Materials science, Mechanics
Advanced · Course · 1 - 3 Months

Duke University
Skills you'll gain: Data Visualization Software, Data Visualization, Data Storytelling, Interactive Data Visualization, Plot (Graphics), Plotly, Matplotlib, Data Presentation, Dashboard, Dashboard Creation, Seaborn, Tableau Software, Scatter Plots, Histogram, Google Sheets, Microsoft Excel, Data Analysis, Python Programming, Cloud Applications, Business Communication
★ 4.2 (28) · Intermediate · Course · 1 - 4 Weeks

Heriot-Watt University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Computer Programming, Application Development, Program Development, Programming Principles, Computational Logic, Software Development, Mathematical Software, Software Development Life Cycle, Debugging, Maintainability
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Correlation Analysis, Statistical Analysis, R (Software), Data Preprocessing, Mathematical Modeling, Model Evaluation
★ 3.9 (21) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Programming Principles, Computer Programming, Code Reusability, Data Storage
★ 4.6 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, OpenAI, AI Integrations, Prompt Engineering, JSON, Application Programming Interface (API), Web Applications, Generative AI
★ 4.2 (21) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks