A DSL for data-driven computational pipelines
Open source Health IT for the planet
An open source e-commerce solution
Create a webapp from an existing database in 30 seconds - Java/Groovy
Jnestor is another majordomo in java
Platform for creating workflow based systems like DMS, CMS or CRM.
An Implicit BPM approach
The Identity Manager provides a solution to manage the user life cycle
Full featured open source BRM/BPM/CMS stack