PS3: FERROX 4.78 CEX Standard & NOBD CFW released - Hackinformer
PS3 - 4.86 FERROX COBRA (v8.20) Custom Firmware by Alexander | PSX-Place
News: FERROX 4.85 CFW with Cobra 8.20 released for the PlayStation 3 and RetroArch 1.8.1 is out with accelerometer/gyroscope support on PSVita & Switch, further improvements to mobile UI and more! - Wololo.net
GUIDE: PS3 4.82 CFW Installation for Dummies | GBAtemp.net - The Independent Video Game Community
GitHub - ZHassanQ/PS3-CFW-Guide: This is a repository contains a guide to how to install CFW (Custom Firmware) on your PlayStation 3.
Evilnat 4.88.2 CFW for PS3 Released - Hackinformer
GitHub - ScriptedArtsOfficial/PS3-CFW-XENON: This is a Custom Firmware for the Playstation 3 that I am working on currently whenever I have spare time,