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.

Scrimba
Skills you'll gain: Web Applications, Full-Stack Web Development, Database Application, Data Store, Database Development, Database Management, SQL, Query Languages, Data Access, Real Time Data, Javascript, Data Entry, Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Database Development, Systems Development, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Process Modeling, Payment Systems, Document Management, Authentications, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud API, Google Cloud Platform, Natural Language Processing, API Testing, Cloud Applications, JSON, Communication
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Rmarkdown, Autoencoders, Shiny (R Package), Deep Learning, Recurrent Neural Networks (RNNs), Transfer Learning, Model Evaluation, R (Software), Artificial Intelligence and Machine Learning (AI/ML), Data Import/Export, Classification Algorithms, Reinforcement Learning, R Programming, Machine Learning Methods, Model Training, Ggplot2, Plot (Graphics), Data Manipulation, Convolutional Neural Networks, Machine Learning Algorithms
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Code Reusability, Data Validation, Data Import/Export, Data Mapping, Verification And Validation, Data Sharing, Hypertext Markup Language (HTML), Interoperability, Computational Logic, Technical Documentation, Data Management, Scripting
Beginner · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Quality, Image Analysis, Computer Vision, Digital Signal Processing, Color Theory, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Blockchain, Application Deployment, Software Development Tools, Application Development, Go (Programming Language), Development Environment, Computer Programming Tools, Business Logic, Software Development, Program Development, Digital Assets, FinTech, Virtual Machines, Transaction Processing, Distributed Computing, Cryptography, Emerging Technologies, Encryption, Business Analysis, Market Dynamics
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: API Gateway, Application Programming Interface (API), Capacity Management, Kubernetes, Istio, Google Cloud Platform, Scalability, Hybrid Cloud Computing, Security Controls, Apache Cassandra, Proxy Servers, Data Security, Cloud Deployment, Application Deployment, Role-Based Access Control (RBAC), Development Environment, Public Key Infrastructure, Encryption, YAML, Debugging
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Java Programming, Computer Programming, Programming Principles, Computational Logic, Computational Thinking, Education Software and Technology, Digital pedagogy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Video Game Development, Animation and Game Design, Game Design, Animations, User Interface (UI), Interactive Design, Prototyping, Virtual Environment, Simulation and Simulation Software, Visualization (Computer Graphics), Simulations, Artificial Intelligence, User Interface (UI) Design, 3D Assets, Physics, Event-Driven Programming, UI Components, Scripting, Development Environment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months