A plugin that integrates Lucene IK analyzer into elasticsearch
Wiki generator and Java Help System
ACHE is a web crawler for domain-specific search
Best IDE for Beginners
An open source search engine with RESTFul API and crawlers
Insanely easy way to define clickable links within a TextView.
DSTK - DataScience ToolKit for All of Us
Provides export options for blogs, journals and dynamic lists
A free, open-source, offline Wikipedia application
ODF Accessibility Checker for OpenOffice.org and LibreOffice Writer