dropit
on SourceForge
DropIt/v8.1/DropIt_v8.1_Source.zip
DropIt/v8.1/DropIt_v8.1_Setup.exe
DropIt/v8.1/DropIt_v8.1_Portable.zip
libpng
on SourceForge
libpng16/older-releases/1.6.18beta/libpng-1.6.18beta05.tar.gz
libpng17/1.7.0-oldbetas/libpng-1.7.0beta61.tar.gz