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: SQL, Oracle Databases, Database Design, Database Management, Query Languages, Performance Tuning, Data Structures
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Generative AI Agents, Prompt Engineering, Generative AI, Generative Model Architectures, AI Workflows
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Microsoft Azure, IT Automation, DevOps
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Hardware Architecture, Microarchitecture, Computer Architecture, Data Structures, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Education Software and Technology, Program Evaluation, Big Data, Analytics, Analysis, Data Ethics, Data Access, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: R (Software), Data Import/Export, Package and Software Management, R Programming, Data Structures, Data-oriented programming, Statistical Programming, Data Analysis Software, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Descriptive Statistics, Data Visualization, Statistical Analysis, Data Analysis, Probability Distribution, Statistics, Statistical Hypothesis Testing, Data Science, Statistical Programming, Data Visualization Software, Probability & Statistics, Jupyter, Regression Analysis, Correlation Analysis, Matplotlib, Pandas (Python Package)
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Failure Analysis, Systems Engineering, Engineering Management, Requirements Management, Scope Management, Design Reviews, Project Scoping, Root Cause Analysis, Program Management, Requirements Analysis, User Requirements Documents, Test Engineering, Cost Management, Contract Management, Systems Design, Business Requirements, Systems Thinking, Project Risk Management, Risk Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Alberta
Skills you'll gain: Physics, Storytelling, Scientific Methods, Science and Research, General Science and Research, Simulations, Systems Of Measurement, Scientific Visualization
Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Biochemistry, Molecular Biology, Cell Biology, Chemistry, Biotechnology, Laboratory Research, Laboratory Techniques, Scientific Visualization, Biology, Specimen Labeling
Intermediate · Course · 1 - 3 Months