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: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Administration, Database Software, Data Lakes, Database Architecture and Administration, Data Integration, NoSQL, Database Management, Cloud Management, MySQL, Cloud Deployment, Data Security, Security Controls, Machine Learning Methods
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Presentation, Interactive Data Visualization, Tableau Software, Data Visualization Software, SQL, Data Analysis
★ 5 (11) · Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Object Oriented Programming (OOP), Plotly, Seaborn, Data Visualization Software, Object Oriented Design, Data Visualization, Pandas (Python Package), NumPy, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Software Documentation, Scatter Plots, Technical Documentation, Data Structures, Maintainability, Data Import/Export, Data Manipulation
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Data Modeling, Database Management, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Performance Tuning, Data Warehousing, Apache Spark, Data Architecture, SQL, Query Languages, Data Transformation, Disaster Recovery, Database Management, PySpark, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Web Scraping, JSON, Extensible Markup Language (XML), Network Protocols, Web Services, Data Access, Application Programming Interface (API), Restful API, Data Processing, Python Programming, Development Environment, Software Installation
★ 4.3 (8) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, YAML, Containerization, Devops Tools, Application Deployment, Command-Line Interface, Cloud Deployment, Software Installation, Development Environment, Infrastructure Architecture, Automation, Configuration Management, Application Lifecycle Management, Scalability
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Datamaps, Data Science, Spatial Data Analysis, Data Processing, Data Preprocessing, Machine Learning, Geographic Information Systems, Data Visualization, Data Analysis, Data Integration, Amazon Web Services, Cloud Computing, Matlab, Model Training, Data Cleansing, Regression Analysis, Classification Algorithms
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Research Reports, Report Writing, Case Studies, Financial Reporting, Business Writing, Analysis, Data Analysis, Financial Analysis, Writing, Equities, Concision, Financial Modeling, Predictive Analytics, Target Audience, Data Science, Credit Risk, Predictive Modeling, Machine Learning, R Programming, Logistic Regression
★ 4.9 (30) · Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Object-Relational Mapping, Web Services, Back-End Web Development, Database Application, Application Development, Software Design Patterns, Database Management, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Open Web Application Security Project (OWASP), Penetration Testing, Exploit development, Vulnerability Scanning, Exploitation techniques, Security Testing, Vulnerability Assessments, Hardening, Brute-force attacks, Web Applications, Cybersecurity, Firewall, Network Security, Wireless Networks, Network Analysis, SQL
★ 3.7 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Risking, Generative Model Architectures, AI Security, OpenAI, AI Product Strategy, Investment Management, Data Ethics, Technology Strategies, Asset Management, Investments, Portfolio Management, Market Data, Business Ethics, Customer experience improvement, Operational Efficiency
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks