Download of Marvel for Keynote 1.0 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application is categorized as Developer Tools.
The actual developer of this free Mac application is Marvel Prototyping Ltd. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Marvel for Keynote lets you sync your Keynote file to a Marvel project. This integration with Keynote allows you to sync your slides to your Marvel account and transform them into projects at the click of a button. Therefore, you can store your team's presentations on a collaborative design platform where you can leave comments and annotations.
You may want to check out more Mac applications, such as Marvel Heroes Omega, LEGO Marvel Super Heroes or Marvel Heroes 2016, which might be similar to Marvel for Keynote.
Document management
3D Design