PhotoFlare - Quick, simple but powerful Cross Platform image editor.
Datahike - A durable datalog database adaptable for distribution.
showFoto - ShowFoto is the standalone image editor of the digiKam project.
PlanetScale - The last database you'll ever need. Go from idea to IPO.
PhotoDemon - Lightweight portable BSD licensed photo editor for Windows focused on performance and usability.
Matisse - Matisse is a post-relational SQL database.