140w ago - Today Red Squirrel from Italian site PSP-Cheats.it (linked above) has released PS3 SFO Editor Linux Edition v1.0.0 for those who prefer not to use the previously released Homebrewed PS3 System File Editor v0.80 Windows version, followed shortly by a GUI version.
It's a Linux GUI to view and edit PS3's PARAM.SFO files. It does NOT contain any Sony's code or function, so it's a free homebrew at 100%. With the easy GUI you will can edit all PARAM.SFO parameters in just a moment, then the program will convert your choises automatically and it will write them in a new PARAM.SFO.
This is the first public release of this program and even if many deep tests have been made maybe there are yet some bugs. Use it at your own risk....
According to RichDevX's Twitter (linked above), Hellcat plans to release an updated Homebrewed PS3 SFO Editor in approximately 48 hours.
This comes roughly two years after the PS3 BRDGen Team released a similar application dubbed SFO-Edit v1.0.
According to the pictures (below), the homebrew PS3 System File Editor v0.80 will attempt to reproduce the functionality that Sony's PS3Gen (ps3sys.exe specifically) offers for SFO extension files... allowing you to view, edit, and save PARAM.SFO files.
We will update this post when it's actually released of course.