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.

JetBrains
Skills you'll gain: Object Oriented Design, File I/O, Data Structures, Python Programming, Programming Principles, Code Reusability, Computer Programming, Scripting, Data Processing, Package and Software Management, Code Review, Computational Logic, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
★ 4.6 (11) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Debugging, Data Wrangling, Data Analysis, Data Transformation, Data Preprocessing, Numerical Analysis, Critical Thinking
★ 4.2 (13) · Intermediate · 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), Regression Analysis, Statistical Methods, Data Analysis, Correlation Analysis, Model Evaluation, Probability Distribution
★ 4.3 (18) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Cleansing, Data Storage, Data Integrity
★ 4.6 (49) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Commands, Linux, TCP/IP, Scripting, Shell Script, Bash (Scripting Language), Network Monitoring, Network Analysis, Network Security, Network Protocols
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Apache Kafka, Data Pipelines, Data Processing, Real Time Data, Live Streaming, Distributed Computing, Event-Driven Programming
★ 3.9 (41) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Data Visualization, Data Preprocessing, Data Cleansing, Scripting, Data Analysis, Data Processing, Data Manipulation, Data Import/Export, Data Capture, Extensible Markup Language (XML), Python Programming, Jupyter, GitHub
★ 3.4 (16) · Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Code Reusability, Programming Principles, Python Programming, Computer Programming, Software Engineering, Simulations
★ 3.7 (23) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Generative AI, Data Pipelines, Responsible AI, Data Processing, AI Workflows, Data Analysis, AI Integrations, Automation, SQL, Data Cleansing, Debugging
★ 4.6 (12) · Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Prompt Engineering Tools, Prompt Patterns, Vibe coding, Data Ethics, AI Workflows, Generative AI Agents, AI Personalization, Artificial Intelligence, Debugging, Ideation, Problem Solving, Automation, Code Review, Ethical Standards And Conduct, Computer Programming Tools, Productivity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Plot (Graphics), Box Plots, Descriptive Statistics, Scatter Plots, Histogram, Scientific Visualization, Jupyter, Matplotlib, Statistical Visualization, Data Manipulation, R (Software), Statistical Hypothesis Testing, Regression Analysis, Correlation Analysis, Data Visualization, Statistical Methods, Data Analysis, R Programming, Python Programming
★ 3.9 (25) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: SQL, Relational Databases, Microsoft Copilot, Database Management, Transaction Processing, Database Development, Query Languages, Database Design, Database Architecture and Administration, Secure Coding, Object-Relational Mapping, Performance Tuning, Data Integrity, Data Modeling, Data Security
★ 4.8 (18) · Beginner · Course · 1 - 4 Weeks