Puggle is a graphical desktop search engine written exclusively in Java. It provides full text and metadata search over files, folders, music, photos, web pages and more that are stored locally on your computer.
DuMP3 is a duplicate and similar file finder. It finds exact duplicate binaries by hash, similar text files by substring content, images (JPG, BMP, GIF, PNG, etc) by color and audio files (MP3, WAV, OGG, etc) by wave data. Future: fonts, video.
JavaCat is an app for managing files on your different drives (cds, hdds...). It's especially usefull for searching files on your exchangeable drives such as cds and dvds. Instead of digging through several disc just use JavaCat to find reqired file and