Medibang Paint Pro does seem to be a modified version of FireAlpaca, which is closed-source, suggesting that there is some sort of relationship between the two organizations an unofficial source claims that FireAlpaca is still used as the upstream of Medibang Paint Pro. CloudAlpaca was described somewhat ambiguously as 'retaining the same features' as FireAlpaca in its initial press release, but, other than that, the only reference to one from the website of the other is a brief mention of the common file format on the Medibang Paint Pro site. Overall the pros outnumber cons, so it is a worthwhile program to use for animation and art. Download Brush Brush Store lets you download various brushes directly from FireAlpaca. However, it should be noted that there are a few bugs and glitches in this software, for example: file wont save or takes too long to save.

PGN, which develops FireAlpaca (as well as OpenCanvas, which is otherwise unrelated), does not have an office address, nor apparently anything else, in common with Medibang (the organization), except for that they are both Japanese companies based in the Tokyo area. Download The Pixel Art Free Procreate Brush Set.

It is not clear what the exact relationship between FireAlpaca and Medibang (and its offshoots) is.

How to save firealpaca art