CTFtool GUI v4.5 is released. CTFtool GUI is a handy homebrew app that allows you to create and convert CTF themes for your homebrewed PSP.

CTFtool GUI v4.5 Changelog:
* Add topmenu_icon.rco named conversion function (5xx - 620 - 631 - 635)
* Support for conversion between 6.20/6.35CTF topic
* Updated CXMB, support 3.71-6.35
* Support for 6.31 CTF packing / unpacking conversion PRX
Ptf * Fixed problem can not be transferred 6.20/6.31/6.35
* Updated RCO converter module, added about file conversion
game_plugin.rco (620 - 635)
msvideo_main_plugin.rco (620 - 635)
sysconf_plugin.rco (620 - 635)
topmenu_icon.rco (620 - 635)
topmenu_plugin.rco (620 - 635)
* PRXeditor new part of the bookmarks, thank Vegetano1
* Updated PRX conversion module and the version currently supports the following conversion between PRX
paf.prx (500 - 550 - 620 - 631 - 635)
vshmain.prx (500 - 550 - 620 - 631 - 635)
common_gui.prx (500 - 550 - 620 - 631 - 635)
opening_plugin.prx (500 - 550 - 620 - 631 - 635)
sysconf_plugin.prx (500 - 550 - 620 - 631 - 635)
music_player.prx (500 - 550 - 620 - 631 - 635)
visualizer_plugin.prx (500 - 550 - 620 - 631 - 635)
game_plugin.prx (500 - 550)
htmlviewer_plugin.prx (500 - 550 - 620 - 631 - 635)
content_browser.prx (500 - 550 - 620 - 631 - 635)
photo_browser.prx (500 - 550 - 620 - 631 - 635)
music_browser.prx (500 - 550) (620 - 631 - 635)
photo_player.prx (500 - 550) (620 - 631 - 635)
rss_browser.prx (500 - 550)
rss_main_plugin.prx (500 - 550)
osk_plugin.prx (620 - 631 - 635)
* Fixed various bug

Download: CTFtool GUI v4.5
Source: Here