LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Modern CSV - A CSV editor/viewer
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
CSVboard - CSVboard is an application for viewing, sorting and finding data from a csv file.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Rons CSV Editor - Rons CSV Editor / Now Rons Data Edit