PSFree is an exploit chain for PS4 and PS5.
PSFree is free software. PSFree's license is GNU-AGPL-3.0-or-later.
Here is the source code of this program:

HTML files:
index.html
about.html
JavaScript files:

alert.mjs	GNU-AGPL-3.0-or-later	download
config.mjs	GNU-AGPL-3.0-or-later	download
lapse.mjs	GNU-AGPL-3.0-or-later	download
psfree.mjs	GNU-AGPL-3.0-or-later	download
send.mjs	GNU-AGPL-3.0-or-later	download
lapse/ps4/800.mjs	GNU-AGPL-3.0-or-later	download
lapse/ps4/850.mjs	GNU-AGPL-3.0-or-later	download
lapse/ps4/852.mjs	GNU-AGPL-3.0-or-later	download
lapse/ps4/900.mjs	GNU-AGPL-3.0-or-later	download
lapse/ps4/903.mjs	GNU-AGPL-3.0-or-later	download
lapse/ps4/950.mjs	GNU-AGPL-3.0-or-later	download
module/chain.mjs	GNU-AGPL-3.0-or-later	download
module/int64.mjs	GNU-AGPL-3.0-or-later	download
module/mem.mjs	GNU-AGPL-3.0-or-later	download
module/memtools.mjs	GNU-AGPL-3.0-or-later	download
module/offset.mjs	GNU-AGPL-3.0-or-later	download
module/rw.mjs	GNU-AGPL-3.0-or-later	download
module/utils.mjs	GNU-AGPL-3.0-or-later	download
module/view.mjs	GNU-AGPL-3.0-or-later	download
rop/ps4/800.mjs	GNU-AGPL-3.0-or-later	download
rop/ps4/850.mjs	GNU-AGPL-3.0-or-later	download
rop/ps4/900.mjs	GNU-AGPL-3.0-or-later	download
rop/ps4/950.mjs	GNU-AGPL-3.0-or-later	download

kpatch/ files:
kpatch/800.c
kpatch/850.c
kpatch/900.c
kpatch/903.c
kpatch/950.c
kpatch/Makefile
kpatch/script.ld
kpatch/types.h
kpatch/utils.h
fonts/ files:
fonts/FONTS.LICENSE
fonts/LiberationMono-Regular.ttf
fonts/README.txt