JSPM

Collection of libraries for building collaborative editing apps.

A local-first realtime NoSQL Database for JavaScript applications - https://rxdb.info/

A reactive data store and sync engine.

Generate Zero schemas from Drizzle ORM schemas

Zustand middleware for syncing state with Yjs.

Prosemirror Binding for Loro

Core implementation for @draftlab/db

A minimal reactive document store with Mongo-like querying, reactivity, TTL support, and optional persistence.

Local-first platform designed for privacy, ease of use, and no vendor lock-in to sync and backup people's lifetime data

Offline-first sync engine for Supabase in React Native using SQLite

Experimental library to synchronize state between a Durable Object and client. See [design discussion](https://github.com/cloudflare/partykit/issues/147).

Creates a new LLM-based web app project that has a "local-first" sensibility.

A local realtime NoSQL Database for JavaScript applications -

A local-first realtime NoSQL Database for JavaScript applications - https://nxpkg.github.io/nxdb/

A local-first realtime NoSQL Database for JavaScript applications - https://rxdb.info/

quick and easy text-based ERD + code generator for migration, query, typescript types and orm entity

A reactive sync engine framework for use with Tonk apps

Core state management and database engine for Zenith

Meta-package for ZenithDB: installs core and all official adapters.

Backend-agnostic sync engine for ZenithDB with optimistic updates and conflict resolution

Local-first vector similarity search for Jazz Tools

asymmetric replicated state machines: runtime support

The Tonk stack command line utility

TS SDK of NextGraph for web apps

React hooks for working with Yjs.

JSON CRDT server and syncing local-first browser client

Ubiquify core

Behavioural typechecking for @actyx/machine-runner machines

Context-first AI development platform CLI

A local-first realtime NoSQL Database for JavaScript applications - https://rxdb.info/

CodeContextPro CLI - Local-first persistent memory for AI coding assistants with SQLite + FTS5 search

A local-first, MCP-compatible task-navigation platform for humans + AI agents

InterPlanetary Data Wallet (IPDW): store users data within a secure distributed storage. It enables to build a real decentralised network (Web 0) without the need of centralized database. You can take advantage of P2P interactions, database-less, conflict

React library for building local-first apps.

A secure authentication library for Tonk CLI tools, providing seamless user authentication and subscription management through Clerk integration.

A reactive sync engine framework for use with Tonk apps

JSON CRDT server and syncing local-first browser client

TanStack DB collection adapter for the Triplit real-time, offline-first sync engine. Enables powerful optimistic updates and reactive, cross-source queries.

CSVLOD-AI MCP Server v3.0 with Quantum Context Intelligence - Revolutionary Context Intelligence Engine and Multimodal Processor for sovereign AI development

🧠 AI Memory Engine - Built by AI, for AI. Persistent, local-only memory for AI coding assistants.

eweser-db core database

A collection of tiny, reusable, UI components - wrapped in a helpful app layout with header, side bar, dark mode, and more.

WarpDrive is the data framework for ambitious web applications

Bootstrap apps on the Tonk stack

A type-safe, functional-inspired ORM for local JSON/YAML file-based data sources.

Collabs WebSocket client

A collections library for collaborative data structures (CRDT implementations)

A fast, minimalist, local-first web application that turns a directory of Markdown files into a beautiful, auto-updating, customizable personal dashboard.

A collections library for collaborative data structures

Kiffarino (kfr) is a lightweight, local-first CLI tool for managing tasks and tickets, ideal for small dev projects and personal workflows.

a distributed local-first nostr relay that syncs on background based on topic

nodeJS SDK of NextGraph

Protect local-first app data with encryption/decryption key secured in WebAuthn (biometric) passkeys

Collabs cross-tab synchronization using BroadcastChannel

A local-first, zero-setup visual database for your JSON files. Features spreadsheet-like editing, centralized Zod schema generation (like Drizzle), TypeScript-first validation, and smart file management. Perfect for developers working with JSON data.

Real-time sync engine for modern applications with 300k+ ops/sec performance

Fractional indexing without conflicts.

Store key-value data encrypted (biometric passkey protected), locally in the client

The reactive data store for local-first apps.

A local-first realtime NoSQL Database for JavaScript applications - https://rxdb.info/

Collabs WebSocket server

pinia plugin that enables sharing of state between clients via Yjs

Collabs doc storage via IndexedDB

Client centric media storage and exchange protocol

Collabs MatrixWidgetNetwork

Local-first GPX routes viewer. Svelte-based components. Useable in Svelte projects and standalone (vanilla JS).

The local first SDK

asymmetric replicated state machines: dev example

A TypeScript library for synchronizing 3D scenes in Three.js

Zustand middleware for syncing state with Yjs.

🇵 PersonnnKit - El Agente Kit Universal. Framework revolucionario para crear agentes de IA con HTML + Python. Simplicidad radical vs frameworks gigantes.

Zero-config, AI-native web framework with embedded LLMs

SQLSync is a collaborative offline-first wrapper around SQLite. It is designed to synchronize web application state between users, devices, and the edge.

Coming soon

!!UNOFFICIAL!! CLI for easily creating PowerSync web applications

SQLSync is a collaborative offline-first wrapper around SQLite. It is designed to synchronize web application state between users, devices, and the edge.

Local-first platform designed for privacy, ease of use, and no vendor lock-in to sync and backup people's lifetime data

SQLSync is a collaborative offline-first wrapper around SQLite. It is designed to synchronize web application state between users, devices, and the edge.

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Easily create organized notes.

Node.js server library for syncing local-first apps.

REST or WS interface to interconnect to actyx

Knowledge Oriented Thinking Assistant

Local-first image optimizer with AI-powered background removal, upscaling, and compression - no cloud dependencies

Zustand middleware for syncing state with Yjs.

Vector database indexer for documentation

Privacy-first P2P meeting transcription and AI SDK

Yjs backed Plain Data Objects.

Zustand middleware for syncing state with Yjs and Immer.

y-cap-sqlite is a persistence provider for [Yjs](https://github.com/yjs/yjs) that uses [@capacitor-community/sqlite](https://github.com/capacitor-community/sqlite) to store document changes in a SQLite database. This is useful for Capacitor projects that

The reactive data store for local-first apps.

Local-first encrypted storage engine

Zustand middleware for syncing state with Yjs.

React hooks and components for Collabs

The tinyfoot MCP client

Zero-config, AI-native web framework with embedded LLMs

pinia plugin that enables sharing of state between clients via Yjs (forked and modified from croatialu/pinia-plugin-yjs)

Coming soon

Starterkit for creating local-first apps

TinyFoot MCP Server - Module Registry and Vector Search Server

Collabs doc storage via localStorage

Local first implementation library

Tide-CLI is a local-first AI command line tool that combines multiple offline agents for coding, documentation, and shell tasks into one streamlined workflow