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.

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Query Languages, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Microsoft Azure, Docker (Software), YAML, Cloud-Native Computing, Containerization, Application Deployment, Cloud Security, Cloud Deployment, Security Controls, Virtual Networking, General Networking
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Restful API, Web Development, Program Development, Event-Driven Programming, Python Programming, GitHub
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Scripting Languages, Scripting, Programming Principles, Data Management, Functional Design, Database Management, File Management, File I/O, Databases
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: AI powered creativity, Creativity, Generative AI Agents, Generative AI, Artificial Intelligence, Computational Thinking, Computer Programming, Agentic systems, Aesthetics, Algorithms, Musical Composition
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Box Plots, Plot (Graphics), Data Visualization, Ggplot2, Data Visualization Software, Statistical Visualization, Scatter Plots, Histogram, Data Analysis, Graphing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Computer Programming, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Database Management Systems, Database Management, Database Administration, Database Software, Database Development, Database Design, Database Architecture and Administration, Database Application, Relational Databases, SQL, Data Modeling, Network Model, Query Languages, Data Maintenance, Data Integrity, Data Manipulation, Data Security, Diagram Design
Build toward a degree
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Computer Systems, Computer Engineering, System Programming, Memory Management, File Systems, Data Access, Cloud Platforms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Artificial Neural Networks, Deep Learning, Predictive Modeling, Time Series Analysis and Forecasting, Natural Language Processing, Model Training, Model Evaluation, Data Preprocessing
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Cyber Operations, Cybersecurity, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), System Programming, Memory Management, Data Persistence, Computer Architecture
Intermediate · Course · 1 - 3 Months