定位具体产品，查看其公开漏洞暴露情况。
Haptik
Haraka是一个现代的、模块化的、事件驱动的电子邮件服务器，具有简单、可扩展、可调试的特点。
Haravan
Hardlink-Printing-Server
HARMANYAYINCILIK
NetVX combines standards-compliant audio, video and data networking interfaces to integrate with any video plant
hash-elements
hashbar-wp-notification-bar
Hashnode
Hashtag Labs
HashThemes Total
[Haskell](https://en.wikipedia.org/wiki/Haskell) is a general-purpose, statically-typed, purely functional programming language. Designed for teaching, research, and industrial applications, Haskell has pioneered a number of programming language features.
用于网络上临时共享大量数据的工具, 也能够存储大型代码, 方便团队进行代码审核、讨论, 也能够通过系统自带的地址 直链访问。
HaveFnuBB
Private blogging system with markdown editing and built in RSS reader.
HawkPost is a web app that lets you create unique links that you can share with a person that desires to send you important information but doesn't know how to encrypt it. The message is encrypted in their browser and sent to your email address.
[Haxe](https://en.wikipedia.org/wiki/Haxe) is a high-level cross-platform programming language and compiler that can produce applications and source code for many different computing platforms from one code-base.
HBJR-LabBuilder
hbook
hCaptcha
hcaptcha-for-forms-and-more
HCL Commerce
HCL Digital Experience
HCL Domino