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 Pennsylvania
Skills you'll gain: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Statistical Modeling, Python Programming, Supervised Learning, Machine Learning, Agentic systems, Artificial Intelligence, Model Optimization, Algorithms, AI literacy
★ 4.5 (59) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: ASP.NET, C# (Programming Language), Object Oriented Programming (OOP)
★ 4.1 (294) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Matplotlib, Data Analysis, Pandas (Python Package), Plot (Graphics), Data Visualization, Data Science, Data Cleansing, Pivot Tables And Charts, Data Visualization Software, Data Processing, Data Wrangling, Data Preprocessing, Data Integration, Data Manipulation, Scatter Plots, NumPy, Exploratory Data Analysis, Data Import/Export, Histogram, Python Programming
★ 4.5 (433) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Web Content Accessibility Guidelines, Education and Training, Multimedia, Educational Materials, Adaptive Equipment, Pedagogy, Hypertext Markup Language (HTML), Developmental Disabilities, Instructional Design, Visual Impairment Education, Diversity Awareness, Labor Law, Law, Regulation, and Compliance, Family and Medical Leave Act of 1993, Microsoft Office
★ 4.6 (253) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Model Evaluation, Statistical Methods, R Programming, Statistical Modeling, Predictive Modeling, Statistical Analysis, Biostatistics, Statistical Software, Predictive Analytics, Probability & Statistics, R (Software), Data Preprocessing, Public Health
★ 4.8 (368) · Intermediate · Course · 1 - 4 Weeks

IndiaAI
Skills you'll gain: Generative AI Agents, Generative AI, Responsible AI, AI literacy, Data Ethics, Prompt Engineering, Large Language Modeling, Artificial Intelligence, LLM Application, AI powered creativity, Ethical Standards And Conduct, Machine Learning, Agentic systems
★ 4.8 (481) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Blended Learning, Pedagogy, Large Language Modeling, Teaching, Digital pedagogy, LLM Application, Instructional Design, Instructional and Curriculum Design, Student Engagement, Learning Strategies, Education Software and Technology, Interactive Learning, Lesson Planning, Educational Materials, AI Personalization, Innovation, Student-Centred Learning, Curriculum Planning, Differentiated Instruction, Artificial Intelligence
★ 4.9 (898) · Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, Java Programming, Java, Computer Programming, Code Reusability, Data Structures, Object Oriented Programming (OOP), Computational Logic, Program Development, Computational Thinking, Problem Solving, Algorithms, Eclipse (Software)
★ 4.8 (435) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
★ 4.5 (710) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Python Programming, Algorithms, Computer Programming, Theoretical Computer Science, Linear Algebra, Mathematics and Mathematical Modeling, Computer Science, Algebra, Object Oriented Programming (OOP), IBM Cloud, Scripting, Probability, Artificial Intelligence and Machine Learning (AI/ML), Data Processing, Mathematical Modeling, Data Structures, Data Manipulation, Probability & Statistics, Applied Mathematics, Software Installation
★ 4.4 (104) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Shell Script, Computer Systems, Big Data, Linux Commands, Hardware Architecture, Operating Systems, Unix Shell, File Systems, Computing Platforms, Linux, Performance Testing, Scripting, Performance Tuning, Memory Management, Computer Architecture, Capacity Management, File Management
★ 3.8 (168) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Evaluation, Model Training, Exploratory Data Analysis, Data Cleansing, Text Mining, Scikit Learn (Machine Learning Library), Probability & Statistics, Natural Language Processing, Data Preprocessing, Social Media Analytics, Data Analysis, Classification Algorithms, Python Programming, Applied Machine Learning, Predictive Analytics, Machine Learning, Automation
★ 4.6 (376) · Beginner · Guided Project · Less Than 2 Hours