文叔叔 - 传文件，找文叔叔（永不限速）
让Markdown排版更nice!
百度脑图，便捷的脑图编辑工具 - 控制创意，如此简单。让您在线上直接创建、保存并分享你的思路。免安装 云存储 易分享 体验舒适 功能丰富
Picdiet is a fast and robust online batch image filesize compressor written in JavaScript, images are compressed in your browser, completely free
Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript.
AirPortal（空投快传）是一个可以跨设备传输文件的网站。只要您的设备联网，您就可以通过它在任意系统、任意设备间传输文件。无需登录或注册，只需打开空投快传、直接上传文件、记住所给的取件码或直接扫描二维码即可在另一台设备上下载文件。
Bring live video from your smartphone, computer, or friends directly into your Studio. 100% free.
