Open Source Web Applications



LimeSurvey
Online Survey Software
http://www.limesurvey.org/

Apache Lucene Project
Open Source Search Engine Project
http://lucene.apache.org/

Lucene
Suchmaschinen Software
http://lucene.apache.org/

Nutch
Open Source Search Engine Project
http://www.nutch.org/

OpenGoo
Web Office Solution
http://opengoo.org/

Tall Street
Open Source Social Media Search Engine
Projekt, SourceForge.net

The Semantic Indexing Project
Open Source Semantic Search Engine
http://www.knowledgesearch.org/