Open source. Open possibilities.

Ionic is an open-source cross-platform app development toolkit for building native-quality iOS, Android, and Progressive Web Apps using JavaScript, HTML, and CSS, with native support for Angular, React, and Vue.

RxDB is a local-first, reactive NoSQL database for JavaScript apps, running in browsers, Node.js, React Native, Electron and more. It provides a swappable storage layer and a sync engine that replicates with your existing backend via HTTP, GraphQL, CouchDB, WebSocket and other adapters.