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.

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: File I/O, Simulations, C (Programming Language), Computational Thinking, Automation, Algorithms, Data Structures, Theoretical Computer Science, Programming Principles, Debugging
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Data Synthesis, Convolutional Neural Networks, Image Analysis, Computer Vision, Artificial Neural Networks, Model Evaluation, Applied Machine Learning, Deep Learning, Machine Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Scripting, Vulnerability Assessments, Brute-force attacks, General Networking, Python Programming, Web Applications, Cybersecurity, Data Ethics, Firewall, Network Security, Wireless Networks, System Configuration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Hardware Architecture, Data Structures, Debugging, Performance Tuning, Integrated Development Environments, Verification And Validation
Advanced · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Data Integration, Data Quality, Exploratory Data Analysis, Data Preprocessing, Data Transformation, Data Cleansing, Data Manipulation, Jupyter, Data Compilation, Data Visualization, Data Analysis, Data-Driven Decision-Making, Data Science, Pandas (Python Package), Predictive Modeling, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Data Modeling, Microsoft Visual Studio, Program Development, Programming Principles, Object Oriented Programming (OOP), .NET Framework, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, Data Validation, SQL, MySQL, Query Languages, Analytical Skills, Relational Databases, Scripting
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Web Frameworks, Restful API, Application Programming Interface (API), API Testing, Application Deployment, Software Documentation, Package and Software Management, JSON, Application Development, Server Side, Python Programming, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

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

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Application Deployment, Devops Tools, Data Storage, DevOps, Security Controls, CI/CD, Authentications, Hardening, YAML, Virtual Networking, Network Planning And Design, Data Persistence, Scalability
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks