There are 2 repositories under flipper-zero-payload topic.
Free and open source BadUSB payloads for Flipper Zero. [Windows, GNU/Linux, iOS]
A collection of selected badUSB script for Flipper Zero, written by me. This repo is always Work In Progress.
Flipper Zero Bad USB Repository and some extras
Flipper Zero rfid and ibutton fuzzer lists
Repository for my FlipperZero JavaScript apps