LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Fandom - The entertainment site where fans come first.
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Wikiful - Wikiful is an online platform that makes it easy to build and share a wiki.