JavaScript Libraries and Tools Page 13 of 16

Dead simple Object schema validation.

Agents create, edit, validate, and render diagrams as durable state - not throwaway output. Structured operations, immutable revisions, 40+ validation rules, and multiple render targets through the Diagram Scene Protocol (DSP).

Audio effects library for the Web Audio API.

Translation management for developers who code. CLI-first, AI-powered translation management. Stop paying enterprise prices for simple workflows.

SearchTap.io is a search technology that can easily integrate with websites and mobile apps to provide an Amazon-like search experience without writing any code.

Dynamsoft Camera Enhancer is designed to optimize the camera frame acquisition process. It provides camera control and features like Frame Filtering, Auto Zoom, and Enhanced Focus to ensure downstream applications receive only high-quality frames for accurate barcode or text reading.

ProseMirror tries to bridge the gap between editing explicit, unambiguous content like Markdown or XML, and classical WYSIWYG editors.

The script allows you to quickly and enthusiastically read any book. Please take the project to yourself. Thank you for your attention.

Fast and collaborative annotation tool offering precise Bounding Box, Polygon, Circle, Point, and Cuboidal labeling for AI and deep learning applications.

JS-Torch is a Deep Learning JavaScript library built from scratch, to closely follow PyTorch's syntax.

Pretext is a tiny (15KB gzipped) zero-dependency TypeScript library that handles text layout, measurement, and rendering entirely outside the DOM. Created by Cheng Lou (React core team, Reason, Midjourney), it delivers up to 500x faster performance than traditional DOM...

EstyJS is an emulator for the Atari ST, written in 100% pure JavaScript, originally developed by Darren Coles. Since 2024 and the release of EstyJS 2.0, the project is maintained by Kai Eckert. The source code is available on GitHub.

A config- and plugin-driven harness — a single static Go binary, tuned around DeepSeek's prefix cache so token costs stay low across long sessions.

World's Fastest Rendering Data Visualization Controls for Building Stunning Apps.

Some weird but useful JavaScript text animations.

Realize new solutions through the transparence of JSON documents-chains, cryptography, and peer-to-peer networks.

A lightweight inline rich text editor designed for applications where users edit content directly on the page.

It is an application that can read the subtitles files and play them without the video. It could be useful to watch streaming videos which would not have subtitles.

OkiDoki is an open source documentation generator designed for developers who want powerful documentation without complexity. Built by the community for the community, it’s free forever with no vendor lock-in. Here are the top 7 features that make it essential:

7Calc is an programmer's expression calculator. It is the spiritual successor to the original 'supercalc'. 7Calc is designed as a Windows 7 Desktop Gadget, and is written in Javascript/HTML.

Rstest is a testing framework powered by Rspack. It delivers comprehensive, first-class support for the Rspack ecosystem, enabling seamless integration into existing Rspack-based projects.

NextAuth.js is a complete open-source authentication solution for Next.js applications. It is designed from the ground up to support Next.js and Serverless.

faces.js is a JavaScript library that generates and displays cartoon faces, somewhat reminiscent of how the Nintendo Wii generates random Miis. Faces are drawn as scalable vector graphics (SVG). Each face can also be represented by a small JavaScript object, which allows you to...

Micro-dash offers a subset of the functionality found in Lodash, with drastically reduced bundle size.

The MathLive library includes a <math-field> web component that provides an easy-to-use interface for editing math.