ECC is an open-source JavaScript project in the claude space with 210k GitHub stars. The repository is actively maintained, with recent commits.

claw-code is an open-source Rust project in the agent frameworks space with 193.4k GitHub stars. The repository is actively maintained, with recent commits.

prompts.chat is a large, community-curated collection of ready-to-use prompt examples for AI chat models (originally ChatGPT), packaged as a browsable site, downloadable datasets, a self-hostable prompt library, and integrations like a CLI, Claude Code plugin, and MCP server.

Tiptap is a headless, framework-agnostic rich text editor built on top of ProseMirror. It ships no UI of its own, instead exposing a composable extension system that lets developers build fully custom editing experiences in React, Vue, or vanilla JavaScript.

Quivr is an opinionated Python framework for building Retrieval-Augmented Generation (RAG) pipelines, letting developers ingest documents into a vector store and query them with LLMs. It packages chunking, embedding, retrieval, and answer generation behind a configurable "brain" abstraction.

Trix is a WYSIWYG rich text editor from 37signals (creators of Rails) that powers writing in Basecamp. Rather than relying on contenteditable/execCommand directly, it treats the browser's editable surface as an I/O device, mapping input onto an internal document model and re-rendering to produce clean, consistent HTML.

Slate is a completely customizable framework for building rich text editors in React. Rather than shipping a fixed editor, it provides a schema-less, plugin-driven core and a nested document model so developers can implement editors like Medium, Dropbox Paper, or Google Docs without fighting against built-in assumptions.

wangEditor is an open-source, web-based rich text (WYSIWYG) editor written in TypeScript, popular in the Chinese developer community. It ships with framework integrations and a configurable toolbar for building content-editing experiences in the browser.

Plate is a TypeScript rich-text editor framework built on Slate and slate-react, offering a plugin system plus a large catalog of plugins, Radix UI-based headless primitives, and ready-made shadcn/ui components for assembling production editors.

TinyMCE is a highly customizable, framework-agnostic WYSIWYG rich text editor for the web, built on contentEditable with an extensive plugin and API ecosystem. It supports classic, inline, and distraction-free editing modes and ships official wrappers for React, Vue, and Angular.

A vanilla-JavaScript WYSIWYG editor that replicates Medium.com's inline, selection-triggered toolbar experience, turning elements or textareas into contentEditable regions with customizable buttons and extensions.

vditor is an open-source TypeScript project in the editors & rich text space with 11k GitHub stars. The repository has seen commits within the last year.

CKEditor 5 is a TypeScript-built, modular WYSIWYG rich-text editor and framework with a custom document model, virtual DOM rendering, and a large plugin ecosystem covering everything from basic formatting to real-time collaborative editing, comments, and track changes.

Next.js is a React framework from Vercel that adds production-grade infrastructure on top of React — file-based routing, server-side rendering, static generation, server components, API routes, and an integrated build/bundling pipeline. It aims to be the default full-stack toolkit for building React applications.

React Native is a framework for building native iOS and Android apps using React and JavaScript, rendering real native UI controls rather than web views. It lets developers share a single codebase across platforms with fast iteration via live reload.

ui is an open-source TypeScript project in the ui components space with 116.3k GitHub stars. The repository is actively maintained, with recent commits.

Gatsby is a React-based static site and web application framework that pulls data from many sources (CMSs, APIs, Markdown) through a GraphQL data layer and pre-renders pages for fast, SEO-friendly delivery. It pioneered the "build-time data sourcing + hydration" model for content-heavy sites.

Ionic Framework is a cross-platform UI toolkit built on Web Components for building native-quality mobile apps and Progressive Web Apps from a single codebase. It ships a large library of pre-styled, accessible UI components with first-class bindings for Angular, React, and Vue.

Expo is a framework and platform for building universal native apps with React and React Native, providing a managed SDK, build/deployment services (EAS), and a large set of cross-platform native APIs and tooling.

Meteor is a full-stack JavaScript platform for building reactive web and mobile applications, bundling a build system, an isomorphic client/server data layer with real-time syncing, and integration with frontend libraries like React, Vue, Blaze, and Svelte.