A storage, transport & runtime agnostic Y.js server/provider. Built on web primitives, supports subdocs, and handles everything without in-memory storage. Perfect for collaborative apps! 🚀

In-memory event store implementation for development and testing - Fast in-memory storage with complete EventStore interface implementation

In-memory storage provider for CAS (testing)

A simple key/value storage using files to persist the data

Standalone React Native SDK for Cohorly, hosted product analytics (Mixpanel-style). No hard dependency on react-native; works out of the box with in-memory storage and upgrades to AsyncStorage when injected. Ships an autolinked native module for device-in

Universal Storage Layer

Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

LibrarianJS in memory storage plugin

Entity Storage provider implementation using in-memory storage.

A lightweight, dependency free, in memory storage, json document based database.

In-memory storage for cache data

A simple in-memory filesystem. Holds data in a javascript object.

A lightweight in-memory storage library with namespace support for easy data management and isolation in browser environments.

High Performance In-Memory Cache for Node.js

Access memory using small fixed sized buffers

In-memory storage for Webauthz NodeJS application SDK

Vault provider implementation using in memory storage.

Handle all exception when storage is not available due to user's browser settings. Swap to in-memory storage if sessionStorage is not available.

This storage adapter is intended to replace the default in-memory storage when using remotestorage.js with node.js.

A fully persistent balanced binary search tree