High Performance In-Memory Cache for Node.js

A middleware layer between a service and a client. The service could be an in-process library, a file, an external web service, anything. Any time the results from a resource call can be cached, you can use ASC as a proxy to that resource.

Key Value Store plugin

Access memory using small fixed sized buffers

App Attest and App Integrity APIs

Data loader with support for caching and fallback data sources

Veramo Key Value Store plugin

Apache Arrow columnar in-memory format

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

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Superblocks Telemetry - Canonical OTEL bootstrap with tier-aware policy enforcement

JavaScript Performance Monitor

A set of efficient utilities that extend the use of JSON (streaming, estimate size, NDJSON/JSONL, etc.)

In-memory state adapter for Chat SDK — zero-dependency subscriptions, locks, and cache for local development and tests

A micro-library of stream components for building custom JSON and JSONC processing pipelines with a minimal memory footprint — parse, filter, and transform JSON far larger than available memory with a SAX-inspired token API, on Node.js or Web Streams.

Tiny but powerful full-text search engine for browser and Node

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

Node.js atomic and non-atomic counters, rate limiting tools, protection from DoS and brute-force attacks at scale

A WebGL memory tracker

The Memory Layer For Your AI Apps