Cryptool is similar and I think older. At least I remember that I have used the desktop version in the 90s. While I appreciate that they made a web version I t

Cryptool is similar and I think older. At least I remember that I have used the desktop version in the 90s. While I appreciate that they made a web version I think they scattered their efforts to create different versions too much so that the project suffered regarding features and quality. [1] https://www.cryptool.org/en https://www.cryptool.org/en