https://github.com/Detea/PekaEDS
A modern Pekka Kana 2 level editor. Manual
If you want to work on PekaED, or compile it yourself, you need to run it with the following VM argument:
-Dsun.java2d.noddraw=true
This is because the drawing of the background image(s) is rather inefficient.
All rights to Pekka Kana 2 belong to Janne Kivilahti. (http://pistegamez.net/)