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: Cascading Style Sheets (CSS), Debugging, jQuery, Hypertext Markup Language (HTML), Web Design and Development, Javascript, Integrated Development Environments, Web Development Tools, Development Environment, UI Components, User Interface (UI), Event-Driven Programming, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Object Oriented Design, Software Development Tools, Computer Programming Tools, Code Reusability, Software Installation, Linux Commands
★ 4.8 (6) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Feature Engineering, Data Preprocessing, Demand Planning, Financial Data, Predictive Modeling, Customer Demand Planning, Data-Driven Decision-Making, Exploratory Data Analysis, R Programming, Customer Analysis, Profit and Loss (P&L) Management, Predictive Analytics, Inventory and Warehousing, Analytics, Advanced Analytics, Supply Chain Management, Data Transformation, Machine Learning, Business
★ 5 (13) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Rmarkdown, Knitr, Surveys, Survey Creation, Data Quality, Sample Size Determination, Statistical Hypothesis Testing, Data Governance, Market Research, Regression Analysis, Predictive Modeling, Quantitative Research, Data Analysis, Statistical Analysis, Key Performance Indicators (KPIs), R Programming, Excel Formulas, Business Intelligence, Data Visualization, Performance Metric
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Version Control, Debugging, Software Design Patterns, Object Oriented Design, Program Development, Object Oriented Programming (OOP), Software Development, Software Versioning, Git (Version Control System), Programming Principles, Software Design, Computer Programming, Software Engineering, Software Development Tools
★ 4.5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Performance Tuning, Application Performance Management, System Monitoring, Database Management, SQL, Database Software, Event Monitoring, Database Architecture and Administration, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Algorithms, Program Development, Theoretical Computer Science, Software Development, Software Engineering, Programming Principles, Data Structures, Computer Programming, Javascript, Computer Science, Web Development
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Databricks, Role-Based Access Control (RBAC), MLOps (Machine Learning Operations), Data Lakes, Data Governance, CI/CD, Authorization (Computing), Anomaly Detection, Identity and Access Management, Model Deployment, Generative AI, Data Access, Metadata Management, Data Engineering, Data Quality, GitHub, Event Monitoring, Test Tools, Authentications, Python Programming
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional de Colombia
Skills you'll gain: File I/O, Computational Thinking, Data Management, Computer Programming, Program Development, Computational Logic, Logical Reasoning
★ 5 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Event-Driven Programming, Web Applications, Application Deployment, Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Code Reusability, Programming Principles, GitHub, Object Oriented Design, Object Oriented Programming (OOP), Data Validation
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), NumPy, Data Structures, Data Import/Export, Data Manipulation, Data Wrangling, Data Processing, Data Cleansing, Statistical Methods, Statistical Analysis, Data Transformation, Numerical Analysis, Data Analysis, Descriptive Statistics
Intermediate · Course · 1 - 3 Months