Flashnote - Flashnote is a quick notes manager
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Bundled - Bundled is a beautiful note generation application that allows users to create lists, reminders, and organization services by using instant syncing backup.
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.