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Create beautiful hand-drawn like diagrams, wireframes, or whatever you like.

📝A simple and elegant markdown editor, available for Linux, macOS and Windows.

An AI-agent skill that generates browser-editable presentations from multiple visual themes, exportable to HTML, PDF, and PPTX.

Development of this project is entirely funded by the community. Consider donating to support!

ai bot avatar: one filled black shape that morphs between 14 states, two white shapes for the eyes that morph independently, on a plain background. No animation library.

一款在线的 微信公众号文章批量下载 工具，支持导出阅读量与评论数据，无需搭建任何环境，可通过 在线网站 使用，支持 docker 私有化部署和 Cloudflare 部署。 支持下载各种文件格式，其中 HTML 格式可100%还原文章排版与样式。

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.

PHPExcel is licensed under LGPL (GNU LESSER GENERAL PUBLIC LICENSE)