Hermetic Word Frequency Counter

密封系统提供超过二十视窗在不同领域，包括单词和短语的计数，日期转换，加密，安全删除文件，磁盘清理，网站地图，素数的计算和更多的软件项目。 （这个网站还拥有约日历，编程，加密和其他主题的文章，所以它不是一个普通的商业软件的网站。）

Hermetic Systems offers over twenty items of Windows software in diverse fields, including word and phrase counting, date conversion, encryption, secure file deletion, disk cleaning, sitemaps, prime number calculation and much more. (This website also has articles about calendars, programming, cryptography and other topics, so it is not an ordinary commercial software website.)