When comparing Amethyst vs Superpowers, the Slant community recommends Amethyst for most people. In the question“What are the best 3D game engines?” Amethyst is ranked 26th while Superpowers is ranked 27th. The most important reason people chose Amethyst is:
Amethyst is published under the MIT license making it open-source and id offered completely free. This allows anyone to give the tiling window manger a try, which is great.
Specs
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Pros
Pro It's free and open-source
Amethyst is published under the MIT license making it open-source and id offered completely free. This allows anyone to give the tiling window manger a try, which is great.
Pro Recently updated and rewritten in Swift.
The application was written in Objective-C, but was recently updated and completely rewritten in Apple's new native language Swift.
Pro Works with keyboard shortcuts, no mouse needed
As it's designed to work closely to how xmonad, Amethyst uses keyboard shortcuts to control the windows being used, meaning no mouse input is necessary. This can make for a faster way to control windows.
Pro Multi-monitor suppport
Pro Has many common layouts to choose from (fullscreen, floating, row, column, wide, etc)
Pro Can switch between tiling and floating mode
Pro Under active development
Pro Configured via UI
No CONFIG file provides security and will avoid making amethyst crash. Instead configured via simple UI
Pro True tiling means never losing track of windows under a huge pile of others
Pro Collaborative
You can spin up a server and work with other people at the same time.
Pro Supports both 2D and 3D
This isn't a 3D with 2D on the side type of engine. The scene-editor supports both 3D and 2D views, allowing ease of use no matter what type of game your making.
Pro Plugin based
The community can develop and release their own plugins to add additional features making game development easier. All of these plugins can be easily downloaded in the app.
Pro Lots of handy built-in editors
It's got a scene-editor, cubic-model creator, text-editor, 2D image / animation importer, and a very useful tile-map editor.
Pro Easy to use programming language
Games can be published to the web with good performance, and the game-framework utilizes TypeScript to make programming games a little bit nicer.
Cons
Con Can be buggy at times
Con There are more user friendly window managers available
There are certainly more user friendly window managers available for MacOS, such as Divvy or Moom. Amethyst, however, is more powerful and customizable than the more user friendly options available and therefore may be a better choice for a user looking for more advanced capabilities and customization.
Con Not frequently updated
Although it's got very nice features as is, and the team does respond to issues at a pretty good rate, the engine itself takes a little while to get updates. It's a 3-4 person team, and they need to work jobs on the side in order to bring in income.
Even though the updates come out a little slower than other engines, the team is still very much committed to the project and still support it well.