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: Feature Engineering, Data Cleansing, Data Visualization, Data Preprocessing, Logistic Regression, Model Training, Predictive Modeling, Statistical Machine Learning, Applied Machine Learning, Data Processing, Scikit Learn (Machine Learning Library), Supervised Learning, Machine Learning, Machine Learning Methods, Model Evaluation, Classification Algorithms, Data Science, Python Programming
★ 4.8 (19) · Beginner · Guided Project · Less Than 2 Hours

Alibaba Cloud Academy
Skills you'll gain: Plot (Graphics), Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Infrastructure, Data Pipelines, Data Processing, Data Warehousing, Data Analysis, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
★ 4.3 (52) · Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, Geospatial Mapping, Geographic Information Systems, Geospatial Information and Technology, GIS Software, Environmental Monitoring, Climate Change Programs, Image Analysis, Python Programming, Model Evaluation, Software Installation
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Star Schema, Data Modeling, Data Quality, Data Pipelines, Database Design, Data Mart, Data Validation, Analytics, Extract, Transform, Load, Data Analysis, Data Warehousing, Data Transformation, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Financial Forecasting, Forecasting, Advanced Analytics, Predictive Modeling, R Programming, Regression Analysis, Business Analytics, Trend Analysis, Statistical Analysis, Statistical Modeling, Analytics, Statistical Methods, Correlation Analysis, Business, Model Evaluation, Decision Making
★ 5 (21) · Mixed · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), Web Design, HTML and CSS, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Layout Design, Cascading Style Sheets (CSS), Usability, User Experience Design, Hypertext Markup Language (HTML), Color Theory, Animations
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Test Script Development, Mockups, Test Tools, Extensible Languages and XML, Verification And Validation, Debugging
Intermediate · Course · 1 - 3 Months

UiPath
Skills you'll gain: Prompt Engineering, Agentic Workflows, Prompt Patterns, Agentic systems, Business Process Automation, Prompt Engineering Tools, Automation, Robotic Process Automation, Generative AI Agents, LLM Application, Responsible AI, AI Workflows, Decision Intelligence, Large Language Modeling, Artificial Intelligence, AI Security, Data Ethics
★ 4.7 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, MySQL Workbench, SQL, Data Cleansing, Query Languages, Data Manipulation, Database Management, Databases, Data Quality, Relational Databases, Data Entry
★ 4.7 (30) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Software Configuration Management, Load Balancing, Configuration Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Architecture, Data Storage, Data Wrangling, Data Integration, Data Transformation, SQL, Data Manipulation, Performance Tuning
★ 2.8 (8) · Intermediate · Course · 1 - 3 Months