pe-file
Python implementation of the Packed Executable iDentifier (PEiD)
Analysis tool for estimating the likelihood that a binary contains compressed or encrypted bytes
Implementation of the packing detection heuristic from the paper "Packed PE File Detection for Malware Forensics" of Han et al.
Re-implementation and packaging of PyPackerDetect
ExeSpy is a cross-platform PE viewer for EXE and DLL files