Ranked in these QuestionsQuestion Ranking
Pro Realtime render
The viewport renders the objects in real time. Changes made to lighting and materials (such as reflectivity, opacity, etc) are instantly shown on the screen with minimal to no delay. The renderer also allows adjusting things like FOV.
Pro Has isometric view mode
Pro Actively developed
As of August 2015 it is still undergoing very active development with new features released every few weeks.
Pro Very easy to use
MagicaVoxel has sane defaults and an intuitive interface. You add or remove voxels with the left-click and rotate the camera with the right-click. The interface does not overwhelm or get in the way, yet it keeps all functionality within easy reach.
Very helpful for beginners is the fact that hovering with the mouse over a tool shows hints on how to use the tool. The hints can be found at the bottom of the interface.
Pro Keyboard shortcut cheat sheet is available
A list of all keyboard shortcuts organized by category is available on the website.
Con Bad UVW mapping for OBJ export
The UVW mapping is very difficult to modify after export.
Con Simply shows a black screen
Con No Linux
Works only on Mac OS and Windows.