JSPM

SAM - The Software Automatic Mouth

Make TypeScript types and proxy objects from example JSON objects. Can use proxy objects to dynamically type check JSON at runtime.

All Sonic Pi synthdefs for SuperSonic scsynth

A framework for creating videos based on Node.js + Puppeteer + FFmpeg.

Audio utilities like fundamental frequency detection, populate buffer with sinusoidal curves

Live-coding language and runtime for retro console chiptunes.

Typescript audio library with caching

Fastify HTTP service for the Jeeves Meta synthesis engine

MUSUBIX synthesis - DSL-based program synthesis with PBE and rule learning

Composable signal generators, oscillators, filters, FFT, spectrum, windowing & related DSP utils

OpenClaw plugin for jeeves-meta — synthesis tools and virtual rule registration

MCP server for SuperCollider — evaluate sclang code, boot scsynth, and inspect server state

SuperCollider scsynth WebAssembly port for AudioWorklet - Run SuperCollider synthesis in the browser

Synthesize speech from text with full control over language, voice, pitch, rate, and volume.

Audio Cascading Style Sheets — declarative audio for the web. Same selectors and cascade as CSS, properties target sound (sound, volume, pitch, room, sound-mood).

Synthesis client for Node.js

Animalese TTS is an Animal Crossing style Voice Synthesis (TTS) engine.

Audio engine library for audio mixer applications with MIDI parsing, playback, and synthesis

Unofficial JavaScript/TypeScript port of KittenTTS (by KittenML/Stellon Labs) — ultra-lightweight TTS via ONNX models, runs in Node.js and browser

Run the same prompt across many opencode models in parallel, then synthesize a comparison report with Opus 4.7.

low level WebAudio components for synthesis

Synth engine for textmode.js

Creative audio synthesis for the Web

standalone audio library from Gibber to use in node or in HTML documents

Complete SuperSonic bundle: scsynth engine + Sonic Pi synthdefs and samples

cat-food-nation ===============

High-DX Web Audio: zero-dep, tree-shakeable library with synthesised UI sound presets, named buses + ducking, polyphony cap, throttle, jitter, fades, pan, sprites, sample-accurate scheduling, OfflineAudioContext render-to-WAV, AnalyserNode tap, prefers-re

SuperCollider scsynth WebAssembly engine and AudioWorklet for SuperSonic

Turn multiple AI answer paths into one decision-ready answer.

Procedurally generated, zero-dependency UI sounds using the native Web Audio API.

Promise based implementation of Yandex Speech Kit API

Gibberish is designed to be an optimized API for audio synthesis using per-sample techniques.

Additive synthesis of signals

standalone libraries from Gibber to include in web pages

There are many javascript audio libraries, but most of them make assumptions about using Web Audio API or that audio is being manipulated in real time. Audio-fns takes a different approach, providing functions to generate and operate on audio samples wher

Audio synthesis and playback module for COEIRO Operator

The organic programming framework

ALIE SDK — read + write your second brain from any Node.js / browser project. Memory layer for AI, model-neutral.

Benoît — The language where code is proof. Self-interpreting, self-evolving, self-proving. Il n'y a pas de mauvaise réponse, que des mauvaises dimensions.

Cascode CLI installer wrapper. Installs a prebuilt cascode binary for your platform.

Genshin character speech synthesis

gen~ in js

Write music with code. Devalang is a domain-specific language (DSL) for sound designers and music hackers. Compose, automate, and control sound — in plain text.

Audio waveform breeding with neuro-evolution of pattern producing networks and quality diversity search.

Web Audio API instrument library extracted from the Resound game.

A Generator That You'll Love

Command-line interface to neuro-evolution of pattern producing networks and audio signal paths for audio waveform breeding with quality diversity search.

A lightweight Web Audio API patching library.

### Usage

Advanced auto-improvement system with BMAD framework, self-improving agents, and multi-agent intelligence synthesis

Web Speech API library wrapper

Advanced RAG-powered codebase awareness for OpenCode agents. Features Chunk Cards synthesis, hierarchical reasoning, ActiveSet working memory, and performance optimization for enterprise-scale repositories.

Web search package with search adapters, page fetching, LLM-powered content extraction, and synthesis

lib for recognition and synthesis of speech

<img src="images/bubbles-logo.svg" alt="Bubbles logo" width="50%" />

Karplus-Strong string synthesis engine for Web Audio API

Compile memory frames and knowledge graph entities into interlinked wiki pages via LLM synthesis

High-performance audio synthesis for Node/Bun/Deno via native Rust bindings

A React text-to-speech component

A Chinese speech synthesis and recognition library toolkit

crocker - a Crank-Rocker design and analysis library

Music and audio programming for p5.js

Fourier Synthesizer Web Component

Create your own verbal commands that map to custom Javascript functions

A library for composing and synthesizing sound for NodeJS programs

It just remembers.

MCP server for Zig audio/DSP programming assistance - run with: npx @ray0404/zig-audio-mcp

🗣️ VoiceMix - A simple text-to-speech tool using ElevenLabs, Cartesia and Resemble AI APIs.

Extensible composite AI voice-agent browser SDK

Javascript/Typescript framework for building music apps

Typescript audio library with caching

Structured LLM workflows for verification, exploration, architecture, feasibility, risk, synthesis, and documentation — with interactive installer for 11 AI tools

An Ember addon that makes working with the Web Audio API super EZ

A browser-based speech recognition and synthesis assistant

Web Audio API-based game audio synthesis and background music library for Ruby Live applications.

Official Audixa Node.js + TypeScript SDK for Text-to-Speech API

A synthesizer for whistled speech.

Generate pure tones in React Native and Expo (Android, iOS, Web)

AI-first defaults for debriefer: Claude-powered synthesis, section filtering, confidence scoring, link selection, and person validation

Audio engine for generating 8-bit music

Programmatic UI sound library — pure Web Audio API synthesis, zero dependencies

A sound engine by Jason Snell

A powerful and straightforward Node.js module for generating AI speech audio files from text using the OpenAI API (support for other providers is in the works). ai-text-to-speech offers a simple and robust interface to convert text into high-quality speec

Infinite Evolution AI System: 28+ dynamic agents, continuous learning, self-improving workflows, and AI DEV SUPERPOWERS - Runs forever, creates new agents automatically

Farts poo poo audio

A framework for creating videos based on Node.js + Puppeteer + FFmpeg.

TTS module for SpeechSynthesis API

Minimalist wrapper around SpeechSynthesis that sounds like a lady Arnold

Farts poo poo audio

Farts poo poo audio

小米xiaomi大语言模型MiMo V2 TTS语音合成节点

Farts poo poo audio

A react library that encapsulates the native browser speech recognition api

Farts poo poo audio

Super easy way to use Text to Speech on Windows.

Convert any file to speech using MS Edge's speech synthesis API

A modular synthesis library. Nothing works yet.

Embeddable React widget for displaying a catalog in an iframe modal with chatbot integration

Web Speech API wrapper

科大讯飞语音识别和语音合成SDK，支持Vue2/3和React

YosysJS is a JavaScript port of Yosys done with Emscripten. It is primarily meant for building educational web applications.

A framework for creating videos based on Node.js + Puppeteer + FFmpeg.

Web Audio API utilities and engine for building reactive audio applications

Thin umbrella CLI that installs and routes to protocol child CLIs

Farts poo poo audio

synth-audio — a lightweight Node.js music generation engine for AI-driven synthesis

🔈 ⚡ Synthesize algorithmic sound at runtime in React Native.

A small music format and an accompanying implementation using OscillatorNode

A chorus (based on Tagu Audio Line) audio effect in a worklet

A set of Angular2 services and components to add speech recognition and synthesis to Angular2 applications

a Web Audio subtractive, monophonic synthesizer

ReactJS component for automatically typing text synchronized with speech synthesis & recognition

Farts poo poo audio

Adsr generator audio worklet

Sing songs with festival

Wrapper for the Google Chrome speech synthesis and web speech recognition APIs.

Make TypeScript types and proxy objects from example JSON objects. Can use proxy objects to dynamically type check JSON at runtime.

Core JavaScript library for parsing and rendering SPA (Synthetic Parametric Audio) - procedural sound effects for the web

Speech recognition, grammar and synthesis for the browser.

Making the Web Audio API super EZ since 2024.

The organic programming framework

cross-platform 'say' command using Electron

Voice Search Optimization package for Synapse - provides Web Speech API, voice commands, speech recognition, and voice search capabilities

Addon generator and packager for Devalang

Claude Code skill for expert sound design — synthesis theory, psychoacoustics, patch recipes, and runnable SuperCollider/Web Audio code generation

Official CLI for the Synthesis prediction markets API

Capacitor plugin for Microsoft Edge Text-to-Speech. Free, high-quality TTS using Microsoft Edge's speech synthesis API. Works on Android (native) and Web.

Dattorro reverb as an audio worklet

A local-first, graph-based LLM refinement engine with transparent planning, diff-based evolution, and multi-model synthesis.

MCP Server for Pure Data & VCV Rack — parse, generate, analyze, and control Pd patches and VCV Rack modules with AI

A comprehensive audio handling library for STT (Speech-to-Text) and TTS (Text-to-Speech) functionality using Deepgram

Make your own audio narrator just writing one line of code.

OpenAI-style TTS SDK for Tencent Cloud - Zero dependencies, TypeScript-first

a Web Audio subtractive, polyphonic synthesizer

Yandex SpeechKit speech synthesis provider for OpenClaw

Tools for communicating between remote javascript clients (primarily web browsers) and supercollider.js

Real-time voice bot library with STT, LLM, and TTS capabilities

Client library and utilities for Qwen3 TTS text-to-speech API - convert text to natural sounding audio with voice cloning and emotion control

small library for speech synthesis

Official SDK for the Synthesis prediction markets API

React용 음성 합성 라이브러리 - 한국어 최적화

a react component library for building declarative synthesizer instruments and systems

Web API for text to speech synthesis and more..

阿里云 TTS 流式语音合成核心库，支持流式文本输入、自动分段、Markdown 格式化

The audio engine for everything. Describe sound, get sound.

Skip writing business logic and let ChatGPT reduce your actions for you!

A TypeScript library for integrating voice commands and speech synthesis into web applications. Easily set up voice interactions with custom text-to-speech options and speech recognition.

Unified ASR & TTS SDK for Node.js — one interface for every voice AI provider

a text to speech library designed for real time speech synthesis for applications like ChatGPT

The Ultimate LABX Studio Command Center

Procedural audio synthesis for Strata 3D using Tone.js - SFX, music, and ambient sound generation

Programming interface to composse music with JMON (JSON Music Object Notation) objects: format conversion, algorithmic composition, and music visualization.

Text to speech conversion using ElevenLabs API

ClipAmp generator audio worklet

Node.JS oscillator synthesis scripting framework.

Param generator audio worklet

Dolphin AI Voice SDK for speech recognition and synthesis

Arpeggiator audio worklet

Euclidean rhythm generator audio worklet

MCP Server for Pure Data & VCV Rack — parse, generate, analyze, and control Pd patches and VCV Rack modules with AI

Faust reverb delay as an audio worklet

Chorus audio effect in as an audio worklet

Tiny browser-based sound effects library for modern web apps

Impulse generator audio worklet

Speech Synthesis and Recognition.

CLI for kenoodl - proactive synthesis for agents

Persistent project memory for AI coding assistants - never lose context between sessions

Web Audio API modular synthesis library

Decompose a complex question into sub-queries, search each in parallel, merge results, and synthesize a comprehensive answer.

Attack-decay envelope generator audio worklet

Virtual analog filters ported from Faust

Karplus Strong generator audio worklet

Generate drum sounds from scratch and create beats programmatically with pure JavaScript - no external WAV files needed!

Multi-LLM council that debates and synthesizes answers

Cross-domain knowledge collision MCP Server — synthesize insights by colliding concepts from different domains

A LFO (low frequency oscillator) generator audio worklet

Multi-Tool Executive Digest — LLM synthesizes cross-platform business data into actionable narrative with decisions, risks, and wins

Atom A20 — Multi-Meeting Analysis at Scale. Cross-meeting synthesis, theme detection, and objection mapping across meeting transcripts. Sprint 9-10 M3 Customer Intelligence.