optipng
on SourceForge
OptiPNG/optipng-0.5.5/optipng-0.5.5-exe.zip
OptiPNG/optipng-0.5.5/optipng-0.5.5.zip
OptiPNG/optipng-0.5.5/optipng-0.5.5.tar.gz
winmerge
on SourceForge
7-zip-plugin/DllBuild 0019/Merge7zInstaller0019-311-444.exe
7-zip-plugin/DllBuild 0019/Merge7z0019-311-444.7z