SignalDBLocal-First JavaScript Database with Signals

Build offline-capable apps that stay fast and responsive, with real-time sync across any backend.

Signal-Based Reactive Database

SignalDB is a Reactive Database that leverages signal-based reactivity to instantly reflect data changes in real-time. SignalDB offers a universal interface that works with any JavaScript framework or library. It provides pre-built adapters for numerous libraries including Angular, Solid.js, React, Vue, and others!

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Local-First

SignalDB is a Local-First Database, meaning it prioritizes local data storage and processing. This approach ensures that your application remains responsive and functional even when offline. SignalDB automatically syncs data with the server once the connection is re-established, providing a seamless user experience.

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Real-Time Synchronization

With SignalDB’s sync capabilities you can ensures data consistency between your application and your server. SignalDB provides Real-Time Synchronization that keeps your data up-to-date across all clients and servers, providing a seamless user experience. It also includes built-in conflict resolution to manage data discrepancies effectively.

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Developer Friendly

SignalDB is designed for simplicity and ease of use. With full TypeScript support, it guarantees type safety across your application. The familiar MongoDB-like query syntax lets you use existing knowledge of selectors and operators. Additionally, the built-in ORM simplifies data modeling, letting you define relationships and handle complex data structures more easily.

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Optimistic UI

Enhance the User Experience of your application with Optimistic UI. This provides immediate feedback to users by anticipating actions, resulting in a seamless and responsive interface even before the server confirms the changes.

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Developer Tools

SignalDB comes with a set of Developer Tools that provide real-time debugging, query monitoring, and performance insights. These tools help you optimize your application by identifying bottlenecks and improving performance.

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Backend Agnostic

SignalDB is Backend Agnostic, allowing you to integrate with any server setup. Whether you are using a simple REST API or a complex GraphQL setup. SignalDB provides a universal interface that works with any backend technology.

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Storage Adapters

SignalDB offers a versatile API for integrating Storage Adapters, enabling you to store data across various environments. Whether you’re building a web, mobile, or desktop application, SignalDB makes it easy to implement storage solutions. It also includes pre-built adapters for IndexedDB, LocalStorage, and more.