Top 12 Open-Source Alternatives to Flutter.dev

The top open-source alternatives to Flutter.dev are React Native, Ionic Framework, and Electron. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

React Native Landing Page
1

React Native

A framework for building native apps with React
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 212 social mentions
Ionic Framework Landing Page
2

Ionic Framework

A front-end SDK to develop applications with HTML5 , CSS3 and JavaScript.
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 88 social mentions
Electron Landing Page
3

Electron

Build cross platform desktop apps with web technologies
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 14 social mentions
Qt Landing Page
4

Qt

Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #GUI Frameworks
Bootstrap Landing Page
5

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Pricing:
- Open Source
#CSS Framework #Development Tools #Design Tools 326 social mentions
Apache Cordova Landing Page
6

Apache Cordova

Platform for building native mobile applications using HTML, CSS and JavaScript
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 43 social mentions
Xamarin Landing Page
7

Xamarin

Create iOS, Android and Mac apps in C#
Pricing:
- Open Source
#Developer Tools #App Development #Development Tools 26 social mentions
NativeScript Landing Page
8

NativeScript

Build truly native apps with JavaScript
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 18 social mentions
Onsen UI Landing Page
9

Onsen UI

HTML5 Hybrid Mobile App UI Framework - work with Angular, React, Vue, Meteor & pure JavaScript. Material & Flat design.
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 2 social mentions
Sciter Landing Page
10

Sciter

Embeddable HTML/CSS/script engine
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 67 social mentions
Capacitor by Ionic Landing Page
11

Capacitor by Ionic

An open source native runtime that makes it easy to build cross-platform apps that run equally well on iOS, Android, and the Web.
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 112 social mentions
Material UI Landing Page
12

Material UI

A CSS Framework and a Set of React Components that Implement Google's Material Design
Pricing:
- Open Source
#Design Tools #Development Tools #Developer Tools 75 social mentions