doudoulinux 2.1 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Doudoulinux for Mac is included in Education Tools. We recommend checking the downloaded files with any free antivirus. This Mac app was originally designed by DoudouLinux.
From the developer:
It provides several applications that suit children from 2 to 12 years old and gives them an environment as easy to use as a gaming console. Moreover, DoudouLinux is available in many languages so that each child will feel comfortable when he begins reading.
You may want to check out more software for Mac, such as eimantai Exam, Rocky Shore Ecology AU or Canon XF Plugin for Final Cut Pro, which might be similar to doudoulinux.