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SignalDB

SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.

SignalDB is a client-side database optimized for modern web applications, offering a MongoDB-like interface with robust TypeScript support to improve development speed and ensure type safety. SignalDB supports creating an optimistic UI for responsive, dynamic interfaces and offers versatile local data persistence with various storage providers. SignalDB is also able to gather data from multiple sources, enabling real-time updates and synchronization (see examples for AppWrite, Firebase, Supabase, RxDB and HTTP). Designed for efficiency in applications requiring quick data handling and real-time interactions, SignalDB provides instant data access, minimizing latency typical of server-side databases. Its lightweight architecture is framework-agnostic, making it suitable for both small and large-scale projects that require flexible, intuitive data management solutions. SignalDB provides adapters for popular reactive libraries including Angular, React (through 3rd party signal libraries), Solid.js, Vue.js and many more.

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  • Open Source
Platforms:
  • Browser
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SignalDB Reviews and Details

This page is designed to help you find out whether SignalDB is good and if it is the right choice for you.

#NoSQL Databases #Databases #JavaScript #Developer Tools

Screenshots and images

  • SignalDB Landing page
    Landing page //
    2025-02-05

Features & Specs

  1. Decentralization

    SignalDB is designed as a decentralized database, which eliminates a single point of failure and enhances data ownership and control by users.

  2. Privacy

    The platform emphasizes privacy, ensuring that user data is encrypted and protected against unauthorized access.

  3. Real-time Data Updates

    SignalDB provides real-time data updates, allowing applications to sync and reflect changes instantly.

  4. Ease of Integration

    With comprehensive and easy-to-understand documentation, developers can quickly and efficiently integrate SignalDB into their applications.

  5. Cost-Effective

    Being decentralized, SignalDB reduces the costs associated with traditional centralized server hosting and maintenance.

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Questions & Answers

As answered by people managing SignalDB.

  1. What's the story behind SignalDB?

    The creator of SignalDB, Max Nowack, was inspired by his past experiences working with Meteor.js, which offered a seamless developer experience, particularly in handling real-time data synchronization and reactivity. Over time, as he explored other frameworks and tools like Apollo/GraphQL, FeathersJS, Firebase, Appwrite, Supabase, and RxDB, he found that none of them matched the Developer Experience of Minimongo and Meteor on the frontend side. The discovery of signals in SolidJS led him to grasp its connection to the reactivity he had previously worked with in Meteor, which eventually inspired the creation of SignalDB to bring Meteor-like reactivity to modern JavaScript frameworks.

  2. Which are the primary technologies used for building your product?

    JavaScript, TypeScript

  3. What makes SignalDB unique?

    SignalDB is unique for its MongoDB-like interface, TypeScript support, optimistic UI, and signal-based reactivity across multiple frameworks. It offers a universal interface that integrates well with various JavaScript frameworks and libraries through reactivity adapters, including Angular, Solid.js, Preact, Vue, among others. SignalDB's schema-less design, in-memory storage, and rapid query performance simplify data management, enhancing the developer experience significantly.

  4. Why should a person choose SignalDB over its competitors?

    A person might choose SignalDB over its competitors for several reasons:

    • Its MongoDB-like interface allows developers to use common selectors without having to learn new things.
    • It offers first-class TypeScript support ensuring type safeness during development.
    • SignalDB's optimistic UI and signal-based reactivity facilitate real-time data updates and synchronization.
    • Its universal interface and pre-built adapters for numerous libraries make it highly compatible with various JavaScript frameworks.
    • The schema-less design and in-memory storage ensure rapid query performance and simplified data management

  5. How would you describe your primary audience?

    Developers looking for a reactive local JavaScript database solution that easily integrates with various JavaScript frameworks and libraries, who appreciate a MongoDB-like interface and TypeScript support for a type-safe development environment.

  6. Who are some of the biggest customers of SignalDB?

    • VineForecast GmbH

Is SignalDB good?

External links

We have collected here some useful links to help you find out if SignalDB is good.

  • Public traffic stats of SignalDB

    Check the traffic stats of SignalDB on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.

  • Domain Rating (DR)

    Check the "Domain Rating" of SignalDB on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of SignalDB's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.

  • Domain Authority (DA)

    Check the "Domain Authority" of SignalDB on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.

  • Public opinion on Reddit

    The latest comments about SignalDB on Reddit. This can help you find out how popualr the product is and what people think about it.

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about SignalDB and what they use it for.
  • Using SignalDB with React: A complete guide
    SignalDB is a reactive, signal-based, client-side JavaScript database designed for modern web apps. It offers a powerful MongoDB-like interface for data handling through an intuitive API with first-class TypeScript support. This database technology is available via the signaldb npm package. - Source: dev.to / about 1 year ago
  • SQLSync – Stop Building Databases
    I'm trying to achieve something similar with SignalDB: https://signaldb.js.org/. - Source: Hacker News / over 1 year ago
  • SignalDB: Bringing Meteor-Like Reactivity to the Modern Age
    Learn more about SignalDB and also check out the documentation at https://signaldb.js.org. - Source: dev.to / over 1 year ago

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Is SignalDB good? This is an informative page that will help you find out. Moreover, you can review and discuss SignalDB here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.

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