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.

University of Colorado Boulder
Skills you'll gain: Network Analysis, Social Network Analysis, Marketing Analytics, Social Media Analytics, Scientific Visualization, Statistical Methods, Text Mining, Data Structures, JSON, Natural Language Processing, Data Processing, Python Programming, Feature Engineering
★ 2.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Language, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
★ 4.2 (14) · Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, LangChain, Embeddings, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Artificial Intelligence, Generative AI, Large Language Modeling, Application Development
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization, Interactive Data Visualization, Statistical Visualization, Data Visualization Software, Exploratory Data Analysis, Data Presentation, R (Software), Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Graphing, Histogram, Data Wrangling, Data Manipulation
★ 4.7 (20) · Mixed · Course · 1 - 3 Months

FAIR Institute
Skills you'll gain: Cyber Risk, Risk Appetite, Cyber Governance, Risk Management Framework, Risk Management, Regulatory Compliance, Regulatory Requirements, Risk Analysis, Law, Regulation, and Compliance, Enterprise Risk Management (ERM), Cyber Security Strategy, Business Risk Management, Governance Risk Management and Compliance, Insurance, Compliance Management, Asset Protection, Business Communication, Strategic Communication, Business Reporting, Management Reporting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, PyTorch (Machine Learning Library), Transfer Learning, Natural Language Processing, Large Language Modeling, LLM Application, Generative Model Architectures
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Rust (Programming Language), Code Reusability, Data Manipulation, System Programming, Data Structures, Memory Management, Performance Tuning, Data Management, Data Analysis, Web Development, Application Development
★ 3.7 (14) · Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Cloud-Native Computing, Cloud Development, Prometheus (Software), Grafana, Program Development, Software Architecture
★ 3 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Database Development, Database Administration, Database Design, Amazon CloudWatch, Amazon DynamoDB, Oracle Databases, Amazon Redshift, Data Migration, Database Architecture and Administration, Database Management, Database Systems, Database Management Systems, Disaster Recovery, Databases, Relational Databases, AWS Identity and Access Management (IAM), Network Model, NoSQL, AWS CloudFormation
★ 5 (38) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Distributed Computing, Cryptographic Protocols, Programming Principles, Data Structures, Computing Platforms, Scalability, Data Integrity, Software Development Tools
★ 4.7 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Token Optimization, Memory Management, Context Management, Document Management, Embeddings, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Plotly, Plot (Graphics), Data Visualization, Scientific Visualization, Datamaps, Interactive Data Visualization, Data Visualization Software, Scatter Plots, Python Programming, Exploratory Data Analysis, Data Import/Export, Data Analysis, Medical Science and Research, Analysis
★ 4.2 (13) · Beginner · Guided Project · Less Than 2 Hours