nQuant is a similar (C#, Apache 2.0 licensed) re-compressor; it was created by Matt Wrock as an adjustment of Xiaolin Wu’s algorithm to work with the alpha chan

nQuant is a similar (C#, Apache 2.0 licensed) re-compressor; it was created by Matt Wrock as an adjustment of Xiaolin Wu’s algorithm to work with the alpha channel. http://nquant.codeplex.com/ http://nquant.codeplex.com/ Matt gets into the guts of how this process works here: http://www.mattwrock.com/post/2011/09/05/Convert-32-bit-PNGs-to-high-quality-8-bit-PNGs-with-C.aspx http://www.mattwrock.com/post/2011/09/05/Convert-32-bit-PNGs...