滴滴开源平台

Modular building blocks for building collaborative applications like Google Docs and Figma.

Quill is a free, open source WYSIWYG editor built for the modern web. Completely customize it for any need with its modular architecture and expressive API.

Basic available instance built on Google Blockly.

蓝天采集器是一款免费无限制的爬虫系统，采用php+mysql开发可部署在云端服务器，实现电脑端、移动端使用浏览器即可采集数据，可对接任何cms系统，免登录实时发布数据，是网页大数据采集软件中完全跨平台的云端爬虫系统

织梦 (DedeCMS) 官方网站 - 内容管理系统 - 上海卓卓网络科技有限公司

iDraw.js A simple JavaScript framework for Drawing on the web

Create a consistent, good-looking, easy-to-use, and efficient user experience with a user-centric, content-first, and human-friendly design system

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Bulma is a free, open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.