There are 3 repositories under packing-detection topic.
A curated list of awesome resources related to executable packing
Python implementation of the Packed Executable iDentifier (PEiD)
Docker image gathering packers and tools for making datasets of packed executables and training machine learning models for packing detection
Analysis tool for estimating the likelihood that a binary contains compressed or encrypted bytes
Packing detection tool for PE files
Implementation of the packing detection heuristic from the paper "Packed PE File Detection for Malware Forensics" of Han et al.