High Quality Content by WIKIPEDIA articles! PCMan File Manager (PCManFM) is a file manager application developed by Hong Jen Yee from Taiwan which is meant to be a replacement for Nautilus, Konqueror and Thunar. Released under the GNU General Public License, PCManFM is free software. PCManFM is the standard file manager in LXDE, which is also developed by the same author in conjunction with other developers. The current version 0.5 will be superseded by a completely rewritten new version of PCManFM which will be version 1.0