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.

Board Infinity
Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, Bootstrap (Front-End Framework), User Interface (UI) Design, User Interface (UI), Frontend Performance, Cascading Style Sheets (CSS), Usability, Hypertext Markup Language (HTML), Performance Tuning, Typography
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Vibe coding, LLM Application, Generative AI Agents, Email Automation, Agentic Workflows, Large Language Modeling, AI Integrations, Sales Enablement, Agentic systems, Marketing Automation, Software As A Service, Prompt Engineering, Tool Calling, Sales Process, Sales Development, Business Logic, No-Code Development, Development Testing, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Nginx, Web Servers, Apache, Ansible, Server Administration, Proxy Servers, Linux Servers, Application Servers, Servers, Docker (Software), System Configuration, PHP (Scripting Language), Containerization, Django (Web Framework), Software Installation, Configuration Management, Performance Tuning, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Spring Boot, Model View Controller, Hibernate (Java), Java, Java Programming, Web Development, Web Applications, Object-Relational Mapping, Application Deployment, Application Security, Database Application, Software Development Tools, Authentications, Development Environment, Data Access, Authorization (Computing)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: UI Components, User Interface (UI) Design, Interactive Design, Unreal Engine, Game Design, Artificial Intelligence, Scripting, Video Game Development, Data Structures, Data Manipulation, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Design, SQL, Relational Databases, Databases, Database Systems, Database Management, Data Modeling, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Spring Framework, JUnit, Spring Boot, Unit Testing, Integration Testing, Data Pipelines, Event-Driven Programming, Public Key Infrastructure, Encryption, Distributed Computing
Intermediate · Course · 3 - 6 Months

Codio
Skills you'll gain: Matplotlib, Statistical Methods, Statistical Hypothesis Testing, Plot (Graphics), Data Analysis, Statistical Analysis, Data Import/Export, Data Visualization, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Data Wrangling, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Scripting, Computational Logic
Mixed · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Bash (Scripting Language), User Accounts, Linux Administration, Linux, Linux Commands, User Provisioning, Operating System Administration, File Systems, Performance Tuning, Systems Administration, File I/O, Scripting, File Management, Scripting Languages, Data Storage, Authorization (Computing), Command-Line Interface, Data Storage Technologies, Operating Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Scripting, Linux, Scripting Languages, Linux Administration, Linux Servers, Command-Line Interface, Remote Access Systems, OS Process Management, Computational Logic, File Management, File I/O
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Programming Interface (API), Authentications, Test Automation, JSON, Security Testing, Authorization (Computing), Java Programming, Scenario Testing, Java, Test Tools, Back-End Web Development
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Structures, Data Access, Python Programming, Data Management
Beginner · Course · 1 - 3 Months