What are you trying to edit in the cache? Models? items?
Here are multiple tools (includes item editor + others: http://prntscr.com/f93ukz) in a zip format:
https://euphoriarsps.com/random/Cache%20Tools.zip
Model viewer:
https://euphoriarsps.com/random/RSDa...e%20v1.2.2.jar
Somethin Catchy:
https://euphoriarsps.com/random/Somethin_Catchy.jar