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.

Corporate Finance Institute
Skills you'll gain: Classification Algorithms, Data Preprocessing, Matplotlib, Feature Engineering, Data Visualization, Model Evaluation, Data Import/Export, Exploratory Data Analysis, Plot (Graphics), Pandas (Python Package), Data Presentation, Data Science, NumPy, Regression Analysis, Data Analysis, Data Structures, Data Wrangling, Correlation Analysis, Portfolio Management, Predictive Analytics
★ 4.7 (21) · Advanced · Specialization · 3 - 6 Months

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
★ 3.8 (22) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Program Development, Computational Thinking, Education Software and Technology, Collaborative Software, Digital pedagogy, Programming Principles, Debugging, Computer Programming, Computer Programming Tools, Algorithms, Computer Science, Brainstorming
★ 4.8 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, React Redux, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI), Development Environment
★ 4.2 (61) · Intermediate · Course · 1 - 4 Weeks

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 (11) · Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Memory Management, Development Testing, Programming Principles, Code Reusability, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Rmarkdown, Knitr, Data Visualization, Data Validation, Statistical Hypothesis Testing, Data Presentation, Dashboard, Data Synthesis, Dashboard Creation, Regression Analysis, Power BI, A/B Testing, Data Transformation, Market Research, Statistical Analysis, R Programming, Business Intelligence, Microsoft Excel, Surveys
★ 3.1 (10) · Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Agentic Workflows, AI Workflows, Retrieval-Augmented Generation, Email Automation, Prompt Engineering, LLM Application, Prompt Patterns, AI Orchestration, Large Language Modeling, Workflow Management, Agentic systems, Generative AI Agents, Application Deployment, No-Code Development, AI Integrations, Automation, Artificial Intelligence, Google Workspace, Docker (Software), Content Management
★ 3.7 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Data Structures, Memory Management, Code Reusability, Package and Software Management, Blockchain, Development Environment, Web Development, Performance Testing, Programming Principles, System Programming, Algorithms, Integrated Development Environments, Software Testing, Software Installation
★ 3.7 (26) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: OS Process Management, Operating Systems, System Programming, Performance Tuning, System Software, Data Structures, Event-Driven Programming, Data Access
★ 4.4 (36) · Advanced · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, Bayesian Statistics, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Statistical Software, Statistical Programming, Statistical Methods, Correlation Analysis, Model Evaluation, Probability Distribution
★ 4.3 (18) · Intermediate · Course · 1 - 3 Months