About.com on Ingres
- Provides original feature articles, a collection of net links, forum discussions and a chat room.
- http://databases.about.com/od/postgresingres/Postgres_and_Ingres_Databases.htm

Ingres II HowTo
- This document helps install the Ingres II Relational Database Management System on Linux.
- http://en.tldp.org/HOWTO/IngresII-HOWTO/

WebinTool 2.1.1
- A tool to glue INGRES to Web pages, or let Web pages grab data from INGRES databases, depending on your point of view.
- http://bioinformatics.roslin.ac.uk/webintool/misc/webintool-2.1.1.html

Ingres User Association in the UK
- Describes past and future conferences of the IUA in UK and other relevant information. The IUA is independent of Computer Associates.
- http://www.iua.org.uk/

North American Ingres Users Association
- Internet resource for Ingres database specialists.
- http://www.naiua.org/