Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.

Rebel Notes - Rebel aims to provide you a distraction-free note taking experience. Focus more on writing and less on formatting and saving. As you write your note, Rebel will format it based on your markdown syntax.

MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.

Flashnote - Flashnote is a quick notes manager

LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.