IMG and PDF Watermark generator
J-Watermarks is an easy to use system to generate custom watermarks for images and PDF too. Users can customize the marks colors, transparency and much more
Lucene based concordancer
Lucon is a user friendly graphical concordancer. It runs on UTF-8 text and xml files and it allows to search for a sole word, for terms, for words at a certain distance and it displays the contexts of the searched terms.