pypel (available under the BSD license) is a is a simple tool to manage receipts. It uses XMP to store metadata inside receipts so you can share them in a very easy way.
For more information browse the documentation on pypel.rtfd.org.
The pypel’s git repository is located at https://github.com/eriol/pypel.
Feel free to mail me to report bugs and request features or use https://github.com/eriol/pypel/issues.