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 Administration, Database Architecture and Administration, Database Management, Relational Databases, Database Software, MySQL, Database Management Systems, IBM DB2, Database Systems, Operational Databases, PostgreSQL, Performance Tuning, Data Maintenance, Data Storage Technologies, Disaster Recovery, Application Performance Management, Role-Based Access Control (RBAC), Network Troubleshooting, IT Automation, User Accounts
★ 4.4 (272) · Intermediate · Course · 1 - 3 Months

Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Finite Element Methods, Numerical Analysis, Engineering Analysis, Jupyter, Differential Equations, Mathematical Software, Applied Mathematics, Mathematical Modeling, Distributed Computing, Simulation and Simulation Software, Python Programming, Calculus, Mechanics, Vibrations, Simulations, Derivatives
★ 4.8 (392) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Optimization, Model Deployment, iOS Development, Apple iOS, Android Development, Tensorflow, Swift Programming, Model Training, Mobile Development, Embedded Systems, Computer Vision, Machine Learning
★ 4.7 (655) · Intermediate · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Database Theory, Data Manipulation, Data Store, Data Processing, Database Management Systems, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Python Programming
★ 4.3 (773) · Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Computer Programming, Memory Management
★ 4.7 (319) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Cryptographic Protocols, Cryptography, Key Management, Encryption, Cybersecurity, Arithmetic, Algorithms, Python Programming
★ 4.5 (609) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, Data Modeling, GIS Software, SQL, Geospatial Information and Technology, Database Design, Spatial Data Analysis, Geospatial Mapping, Database Management, Spatial Analysis, Geostatistics, Query Languages, Relational Databases, Database Development, Database Software, Land Management, Data Store, Environmental Science, Data Capture, Data Manipulation
★ 4.5 (289) · Beginner · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Data Mining, Data Analysis, Case Studies, Statistical Analysis, Financial Data, Data Structures, Financial Analysis, Data Presentation, Data Processing, User Interface (UI), Object Oriented Programming (OOP), Data Capture, Pandas (Python Package), NumPy, Python Programming, Data Wrangling, Web Scraping, Data Manipulation
★ 4.7 (1.6K) · Mixed · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Computer Programming, Data Structures, Test Automation, Programming Principles, Object Oriented Programming (OOP), Unit Testing, Python Programming, Program Development, Algorithms, Test Tools, Test Case, Software Testing
★ 4.6 (732) · Mixed · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, Statistical Software, Correlation Analysis, Statistical Programming, Data Analysis Software, SAS (Software), Analysis, Data Analysis, Statistical Methods, Quantitative Research, Data Manipulation, Probability & Statistics, Analytical Skills, Data Management, Statistical Inference
★ 4.5 (417) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Logistic Regression, Analysis
★ 4.2 (382) · Mixed · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Artificial Intelligence, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Reinforcement Learning, Computer Vision, Agentic systems, Machine Learning Algorithms, Machine Learning, Semantic Web, AI literacy, Natural Language Processing, Embedded Systems, Responsible AI, Data Ethics, Supervised Learning, Applied Machine Learning, Embedded Software, Algorithms, Ethical Standards And Conduct
★ 4.6 (323) · Beginner · Course · 1 - 3 Months