Hi Christian,

agreed it is a beautiful tool. I have no experience with MACs but i have googled up this list:

http://www.dontcrack.com/freeware/so.../platform/mac/

These look usable:

http://www.dontcrack.com/freeware/do...Crayon-Filter/

http://www.dontcrack.com/freeware/do.../Delta-Series/

http://www.dontcrack.com/freeware/do...re/Filterizer/

etc.