An object relational-mapping (ORM) library for Java
A nuts and bolts web engine / CMS (Content Management System)
Development Platform for Web and Mobile Applications
Concise spatial query and representation system (c-squares)
Helping users to quickly understand SQL queries
.NET, PowerShell, SQL, Java, Perl, and Javascript developer libraries
Synology DSM installable package for Baïkal CalDAV & CardDAV server
A complete multi-language developement stack for GNU/Linux
Database schema tool