Out of Milk - Simplify grocery shopping with Out of Milk. Create and share shopping lists with friends and family. Available for download on Android and iOS.
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Recidex - Build recipe and grocery lists from 100+ different blogs
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
Farmstead - Better groceries for busy people, delivered in 60 mins.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .