Universal router for web applications.
CLI tools for the rill scripting language
Scripting designed for machine-generated code
Babel compiler core.
Is this specifier a node.js core module?
tldts core primitives (internal module)
Standard library
The `util.is*` functions introduced in Node v0.12.
A high-level API to automate web browsers
[](https://www.npmjs.com/package/@smithy/core) [](https://www.npmjs.com/package/@smithy/core)
Accessibility engine for automated Web UI testing
The core of the humanfs library.
rill extension for sandboxed command execution
core-js compat
rill extension for Claude Code CLI integration
Core HTTP Compatibility Library to bridge the gap between Core V1 & V2 packages.
rill extension for Anthropic Claude API integration
OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.
Core functions & classes shared by multiple AWS SDK clients.
Positioning library for floating elements: tooltips, popovers, dropdowns, and more
@vue/compiler-core
rill extension for Google Gemini API integration
Base implementation for all Sentry JavaScript SDKs
Super-fast alternative for babel
Core foundation for the Rill ecosystem — traits, math, buffers, queues, time, macros
Digital filters for Rill - Biquad, OnePole, StateVariable, etc.
Wave Digital Filter core — elements, adapters, and analysis for analog circuit modeling
Umbrella crate re-exporting all rill crates for signal processing application development
Core DSP abstractions and algorithms for Rill
Oscillators for Rill - using rill-core-dsp algorithms
The world where Automata live - control system for Rill
Analog circuit models: op-amps, tape decks, preamps
Analog-modeled filters using Wave Digital Filter elements
Digital signal effects for Rill - Delay, Distortion, Chorus, Reverb, etc.
Real-time signal graph with block processing
Lo-fi audio emulation: 8-bit, 12-bit, NES, AY-3-8910, Akai S900