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: Ansible, Infrastructure as Code (IaC), Devops Tools, YAML, IT Automation, Docker (Software), Containerization, Command-Line Interface, Data Security, Encryption, Python Programming, Performance Tuning, Configuration Management
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Language, Browser Compatibility, Web Development, HTML and CSS, Cascading Style Sheets (CSS), Web Development Tools, Web Content, Microsoft Visual Studio, Integrated Development Environments
★ 4.8 (32) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
★ 3.9 (11) · Mixed · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Electronic Hardware, Electronic Components, Electronics, Hardware Design, Music, Musical Composition, Embedded Systems, System Configuration, Music Theory, Digital Communications, Creative Design, Programming Principles, Physics
★ 4.6 (14) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), R Programming, Software Installation
★ 4.7 (107) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: File Management, Integrated Development Environments, Amazon Web Services, Command-Line Interface, Software Development Tools, Development Environment, Amazon Elastic Compute Cloud, Cloud Hosting, Cloud Infrastructure, Program Development, Python Programming
★ 4.2 (14) · Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: SQL, Relational Databases, Datamaps, Database Management, Query Languages, Databases, Database Design, Database Systems, Data Visualization, Object Oriented Programming (OOP), Data Processing, Data Modeling, Data Manipulation, Geospatial Mapping, Data Storage, Python Programming
★ 4.7 (6) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, Logistic Regression, Lean Six Sigma, Correlation Analysis, Six Sigma Methodology, R (Software), R Programming, Statistical Programming, Statistical Analysis, Test Tools, Statistical Methods, Statistical Software, Regression Analysis, Probability & Statistics, Data Literacy, Data Science
★ 4.6 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Serverless Computing, Microsoft Azure, Microservices, NoSQL, Microsoft Development Tools, Cloud Deployment, Front-End Web Development, Cloud Development, Hypertext Markup Language (HTML), HTML and CSS, Software Development, Cloud Computing, Microsoft Visual Studio, DevOps, Integrated Development Environments
★ 4.6 (15) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Keras (Neural Network Library), Data Preprocessing, Artificial Neural Networks, Statistical Visualization, Predictive Modeling, Model Training, Tensorflow, Applied Machine Learning, Feature Engineering, Data Processing, Data Science, Predictive Analytics, Data Manipulation, Deep Learning, Data Wrangling, Machine Learning, Model Evaluation, Regression Analysis, Python Programming
★ 4.7 (27) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: R Programming, R (Software), Data Visualization, Statistical Programming, Time Series Analysis and Forecasting, Interactive Data Visualization, Data-Driven Decision-Making, Trend Analysis, Rmarkdown, Data Processing, Data Analysis, Predictive Modeling, Data Cleansing, Data Manipulation, Exploratory Data Analysis, Predictive Analytics, Revenue Management, Forecasting, Business Strategy, Machine Learning
★ 4.9 (12) · Intermediate · Guided Project · Less Than 2 Hours