JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
LingoJam lets you create an online translator. It's really simple, just throw us a couple of lists of words and we'll mix it around and make a translator that you can share with the world!
Encoding and Decoding site. e.g. HTML Escape / URL Encoding / Base64 / MD5 / SHA-1 / CRC32 / and many other String, Number, DateTime, Color, Hash formats!
w3cschool启用中文品牌名--编程狮，是一个专业的W3C前端开发及编程入门学习平台，提供包括HTML,CSS,Javascript,jQuery,C,PHP,Java,Python,Sql,Mysql等编程语言和开源技术的在线教程及使用手册，是类国外w3schools的W3C学习社区及菜鸟编程平台。
quipqiup - cryptoquip and cryptogram solver
Playfair密码是一种有向图替换密码。
Grom PE's Software
