A set of efficient utilities that extend the use of JSON (streaming, estimate size, NDJSON/JSONL, etc.)
Extensions to Node.js child_process module
JavaScript utilities with respect to emerging standard
Node.js Streams, a user-land copy of the stream library from Node.js
JSON-LD serializer that implements the RDF/JS Sink interface and supports different output styles
Simplified SPARQL HTTP request client
Check if something is a Node.js stream
Get a stream as a string, Buffer, ArrayBuffer or array
ECMAScript extensions and shims
RDF/JS Source which transforms a triple stream to a quad stream
tar-stream is a streaming tar parser and generator and nothing else. It operates purely using streams which means you can easily extract/parse tarballs without ever hitting the file system.
Timers extensions
destroy a stream if possible
Toggle the CLI cursor
A CSS-inspired language to select, sequence, and compose DOM events.
Call a callback when a readable/writable/duplex stream has completed or failed.
WebSocket protocol handler with pluggable I/O
Replaces a file extension with another one.
Postgres query result returned as readable stream
Get and validate the raw body of a readable stream.
A streaming way to send data to a Node.js Worker Thread
A stream that emits multiple other streams one after another.
MCP Apps SDK — Enable MCP servers to display interactive user interfaces in conversational clients.
A tiny, zero-dependency yet spec-compliant asynchronous iterator polyfill/ponyfill for ReadableStreams.