FOLIO
TinyCat
BiblioteQ
DSpace
Greenstone Digital Library
Invenio
Omeka
Evergreen ILS
Pyzo
PyScripter
iPython
Leo Editor
PyCharm
NINJA-IDE
Ecere SDK
IDLE
TinyCat - The online catalog and integrated library system for tiny libraries, powered by LibraryThing.
PyScripter - PyScripter is a free and open-source Python Integrated Development Environment (IDE) created with...
BiblioteQ - BiblioteQ strives to be a professional cataloging and library management suite. The SRU and Z39.
iPython - iPython provides a rich toolkit to help you make the most out of using Python interactively.
DSpace - DSpace open source software enables open sharing of content that spans organizations, continents...
Leo Editor - Text and code editor where Outlines are first class citizen.