Rxdb – A fast, reactive, client-side database
The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/ - pubkey/rxdb
Rxdb – A fast, reactive, client-side database launched on May 16, 2017 with 52 votes, #690 of 3,229 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
RxDB is a client-side database designed for developers building reactive applications. It runs in the browser and other JavaScript environments, offering fast data querying and real-time synchronization capabilities. The tool is particularly useful for applications that need to maintain data offline and sync changes when connectivity returns. RxDB combines database functionality with reactive programming patterns, making it suitable for developers working with frameworks that emphasize reactive architectures.
written from the facts on this page · September 2026
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RxDB v3 – JavaScript Database and ORM2017 · github.com · ▲14The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/ - pubkey/rxdb
InstantDB – A Modern Firebase2024 · github.com · ▲1,145Hey 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…
JSDB.io - A collection of the best JS libraries for front-end dev2013 · jsdb.io · ▲8RxDB is a fast, local-first NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps, Progressive Web Apps and Node.js
Realtime Replication Between GraphQL and the Client-Side Database2019 · rxdb.info · ▲17Set up GraphQL-based replication with RxDB including pull, push, and live streaming handlers for syncing data between client and server.

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