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: Data Preprocessing, Data Transformation, Feature Engineering, Pandas (Python Package), Text Mining, Predictive Modeling, Scikit Learn (Machine Learning Library), Python Programming, Data Analysis, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization Software, Data Visualization, R Programming, Alteryx, Statistical Programming, Data Presentation, Interactive Data Visualization, Data Cleansing, Data Storytelling, Data Structures, Statistical Analysis, Workflow Management, Data Analysis, Scatter Plots, Data Preprocessing, Data Manipulation, Data Processing, Data Transformation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Visualization (Computer Graphics), Cascading Style Sheets (CSS), Computer Graphics, Web Components, Animations, Typography, Semantic Web, Web Content Accessibility Guidelines, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Java Platform Enterprise Edition (J2EE), Data Import/Export, Data Persistence, Development Environment, Software Installation
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Import/Export, Scripting, R Programming, Data Processing, Statistical Programming, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Processing, Database Management, SQL, Google Cloud Platform, Databases, Performance Tuning, Google Analytics
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Model Evaluation, Application Programming Interface (API), Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Artificial Intelligence, Data Quality, Cloud API, Applied Machine Learning, Model Deployment, Machine Learning, MLOps (Machine Learning Operations), Business Intelligence, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Sharing, Interoperability, Information Architecture, Technical Documentation, Data Management, Data Validation, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Statistical Visualization, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Scatter Plots, Histogram, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Image Quality, Python Programming
Beginner · Specialization · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Relational Databases, Database Management, Databases, Database Design, Database Architecture and Administration, Query Languages, Data Integrity, Secure Coding, Data Manipulation
Beginner · Course · 1 - 3 Months