DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Scriby - AI-Powered Meeting Note Platform
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Pepperminty Wiki - An entire wiki in a single PHP file. Intended for small - medium sized wikis.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.