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Dev tools · March 10, 2026

SpacetimeDB

Development at the speed of light.

Visit site ↗Alternativestop 4% of March 2026

What it does

SpacetimeDB is a real-time backend framework and database for apps and games. It replaces both your server and database. SpacetimeDB 2.0 brings first class support for web development.

Does the same job

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  • S1
    SpacetimeDB 1.0 Is Here2025 · github.com · ▲21

    We just released 1.0 of SpacetimeDB, a database designed for real-time games and applications built in Rust and using WebAssembly stored procedures for running server-side logic.

  • SA
    SpacetimeDB – A database that replaces your server2023 · github.com · ▲80

    We just released our database, SpacetimeDB, on GitHub under the BSL 1.1 license. It converts to a free software license after a few years. The point of the database is that you upload application logic into the database as a WebAssembly stored procedure, so instead of clients connecting to a webserver they connect directly to the database. The database itself does authentication and you write your own authorization logic just like you would inside a webserver. We’ve developed our game, BitCraft (https://bitcraftonline.com) entirely in this way. All of the game state is stored and…

  • IA
    InstantDB – A Modern Firebase2024 · github.com · ▲1,145

    Hey there HN! We’re Joe and Stopa, and today we’re open sourcing InstantDB, a client-side database that makes it easy to build real-time and collaborative apps like Notion and Figma. Building modern apps these days involves a lot of schleps. For a basic CRUD app you need to spin up servers, wire up endpoints, integrate auth, add permissions, and then marshal data from the backend to the frontend and back again. If you want to deliver a buttery smooth user experience, you’ll need to add optimistic updates and rollbacks. We do these steps over and over for every feature we build, which can…

  • Spacetime 2.02018 · ▲208

    Work hour and time zone management for distributed teams.

  • FA
    Firebase, a scalable real-time backend2012 · firebase.com · ▲526
  • clientdb2022 · ▲295

    Build lightning fast apps with instantaneous interactions

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