Z-library

DataTool.vip is a powerful free online video downloader supporting over 40 platforms including TikTok, Instagram, YouTube, and Twitter. It offers 4K resolution downloads, watermark removal, and fast processing. No software installation required - simply paste a video link to download.

An open-source mathematics textbook project dedicated to promoting educational equity, offering PDF resources from primary school to university levels. It features automated merging of split PDF files, serving families and students worldwide.

Download Any Video for Free with YTD Video Downloader ✓ Available for Windows, Mac, iOS and Android ✓ Free Video Downloader for YouTube and more

混合盘是一款规则引擎APP,可以将任何搜索网站制作成规则,供用户聚合搜索使用,混合盘搜索是一个百度网盘、夸克网盘、阿里云盘资源搜索引擎，提供百度网盘资源搜索、夸克网盘资源搜索、阿里云盘资源搜索等服务。