SignalDB is described as 'Client-side database with a MongoDB-like interface and TypeScript support. It allows easy data management, reactivity and persistence on the client side, with plans for future replication capabilities' and is an app in the backup & sync category. There are more than 10 alternatives to SignalDB for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best SignalDB alternative is Supabase, which is both free and Open Source. Other great apps like SignalDB are Firebase, Meteor, GUN and RxDB.
Write actions, a database schema, and auth as TypeScript files in a typebase/ folder inside your app. Your frontend calls them like local functions, end-to-end typed, zero REST boilerplate.
The AI-native backend. Idea in, API out. Model reality as it is, in graphs. Your agents compose typed JSON queries programmatically. No SQL, no joins, no ORMs.
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