Coursera
Skills you'll gain: Code Reusability, React.js, JavaScript Frameworks, Web Applications, UI Components, Application Development, User Interface (UI), Front-End Web Development, Javascript
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: React.js, JavaScript Frameworks, Front-End Web Development, Javascript, UI Components, Programming Principles, Dataflow
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: UI Components, React.js, Javascript, JavaScript Frameworks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Interaction Design, User Interface (UI) Design, Code Reusability, Scalability, Web Applications, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Frontend Integration, Authentications, Front-End Web Development, Authorization (Computing), Application Programming Interface (API), Secure Coding, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, JavaScript Frameworks, UI Components, Web Applications, Data Validation, Front-End Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Performance, React.js, UI Components, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Web Design and Development, Cloud Deployment, Web Development, Responsive Web Design, UI Components, Interactive Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Web Content Accessibility Guidelines, Code Reusability, Game Design, Front-End Web Development, Application Programming Interface (API), Usability, JavaScript Frameworks, Web Development Tools, Web Applications, Web Frameworks, Interaction Design, Event-Driven Programming, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Business Logic, User Interface (UI), Application Development, Web Applications, Software Development, Programming Principles, HTML and CSS, Service Oriented Architecture, Configuration Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Applications, React.js, Javascript and jQuery, Javascript, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Deployment, React Redux, Full-Stack Web Development, React.js, Authentications, Node.JS, Web Applications, Front-End Web Development, UI Components, User Accounts, User Interface (UI), GitHub, Dashboard Creation
Advanced · Course · 1 - 3 Months