Rocket JS Animator 1.0 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. The software lies within Design & Photo Tools, more precisely Viewers & Editors. The actual developer of this Mac application is Marufuku Soft. We recommend checking the downloaded files with any free antivirus.
From the developer:
Rocket JS Animator is a JavaScript animation editor with graphical interface. You can create JavaScript animations with layers in an intuitive interface.
You may want to check out more software for Mac, such as Node.js, Rocket.Chat or 7art Rocket Clock screensaver, which might be related to Rocket JS Animator.