diff --git a/README.md b/README.md
index c0bd7b3..4651f2a 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,8 @@ A curated list of awesome malware analysis tools and resources. Inspired by
 * [ClamAV](http://www.clamav.net/index.html) - Open source antivirus engine.
 * [ExifTool](http://www.sno.phy.queensu.ca/~phil/exiftool/) - Read, write and
   edit file metadata.
+* [packerid](http://handlers.sans.org/jclausing/packerid.py) - A cross-platform
+  Python alternative to PEiD.
 * [TrID](http://mark0.net/soft-trid-e.html) - File identifier.
 * [YARA](https://plusvic.github.io/yara/) - Pattern matching tool for
   analysts.