定位具体产品，查看其公开漏洞暴露情况。
Rabbit Semiconductor is the company which designs and sells the Rabbit family of microcontrollers and microcontroller modules. For development, it provides Dynamic C, a non-standard dialect of C with proprietary structures for multitasking.
RackCache
RackCorp Content Delivery Network - RackCorp is the preferred hosting provider for critical websites around the world. They specialise in high-uptime, high-reliability, and fast hosting services. Their systems serve some very large content delivery networks (CDN's), allowing them to serve Over a Petabyte of data every month globally from a variety of locations including Australia, US, UK, Germany, and Canada.
RackStar can be installed on almost any PC platform. That's what makes the RackStar Server Appliance Software so great! Now anyone can host sites! Still got a Cobalt RAQ? No problem! RackStar runs on that too!
Radicale 是一个用 Python 编写的 CalDAV 服务器，不依赖于任何外部数据库，并且完全包含在一个可执行文件中。
RADIX
Radix UI 是一套开源的低层级 UI 组件库，主要用于构建高质量、可访问的设计系统与 Web 应用。其核心产品 Radix Primitives 注重无障碍访问、可定制性与开发者体验，组件可作为设计系统的基础层，也可按需逐步引入。Radix 由 Primitives、Colors、Icons 和 Themes 四部分组成，可独立或组合使用。组件不带样式，支持使用原生 CSS、CSS 框架、CSS Modules、CSS 预处理器或 CSS-in-JS 等任意方案进行样式定制，被 Vercel、CodeSandbox 等公司用于构建设计系统。
RADVISION-Video-Conferencing
RADVISIONiVIEWSuite
Radware-AppDirector
Radware-AppWall
Radware-LinkProof-Switch
RAIDEN-Mail
RaidenHTTPD is a fully featured web server software for Windows platform.
RaidenMAILDMailServer
RAIDHTTPServer
Railo is an Open Source ColdFusion Markup Language (CFML) server.
Rain
Rainier-Internet-product
RainMachine-Company's-product
Rainmail Intranet Server is integrated software for providing complete Intranet and Network Infrastructure to enterprises.
RaiseDonors
Raisely
Rakuten