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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Datamaps, Interactive Data Visualization, Scatter Plots, Histogram, Graphic and Visual Design, R Programming, Geographic Information Systems
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Software Installation, Development Environment
Mixed · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Unreal Engine, Adobe After Effects, Motion Graphics, Animations, Multimedia, 3D Modeling, 3D Assets, Animation and Game Design, Logo Design, Cinematography, Video Editing, Computer Graphics, Adobe Illustrator, Visualization (Computer Graphics), Adobe Photoshop, Post-Production, Storyboarding, Photo/Video Production and Technology, Creative Design, Typography
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, AI Workflows, OpenAI API, LLM Application, Artificial Intelligence, User Interface (UI), Prompt Engineering, Natural Language Processing, Python Programming, Context Management
Intermediate · Course · 1 - 3 Months

Siemens
Skills you'll gain: Safety Standards, Robotics, Electrical Safety, Mechanical Design, Automation, Control Systems, Manufacturing and Production, Performance Testing, Human Machine Interfaces, Computer Programming, Programming Principles
Beginner · Course · 1 - 4 Weeks

Fudan University
Skills you'll gain: Unity Engine, User Interface (UI), Mobile Development, Video Game Development, C# (Programming Language), 3D Assets, Animations, Application Deployment, Scripting, Cross Platform Development, Virtual Environment, Object Oriented Programming (OOP)
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Data Visualization Software, PySpark, Data Visualization, Data Storytelling, Statistical Visualization, Site Reliability Engineering, Docker (Software), Databricks, Containerization, Interactive Data Visualization, Plot (Graphics), Plotly, Data Pipelines, Matplotlib, Kubernetes, Apache Spark, Apache Hadoop, Big Data, Data Science, Python Programming
Intermediate · Specialization · 1 - 3 Months

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: Generative AI Agents, AI Orchestration, Agentic systems, Agentic Workflows, Artificial Intelligence, LLM Application, Development Environment, Tool Calling, Prompt Engineering, Human Machine Interfaces, Software Development Tools, Python Programming
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Statistical Reporting, Data Visualization, Big Data, SQL, Query Languages, Data Import/Export, Data Presentation, Google Cloud Platform, Data Warehousing, Data Sharing, Analytics
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: OpenShift, Kubernetes, Application Deployment, Cloud Applications, Scalability, Containerization, Cloud Development, Development Environment, Cloud Platforms, Cloud Computing, YAML, PostgreSQL, Debugging, Git (Version Control System)
Intermediate · Course · 1 - 3 Months