Piggydb can provide a platform to build your personal or group knowledge, is a network knowledge management software. With Piggydb, you can create an advanced network knowledge structure by connecting pieces of knowledge, which is more flexible and expressive than the tree-shaped structure. Fragments can also be categorized by hierarchical tagging, which can be more complex than traditional tagging systems. Piggydb is not an application for input and search databases, its goal is to become a platform that encourages users to constantly organize and manage their knowledge, discover new ideas or concepts, and enrich your creativity.
The Piggydb 5.0-DEV5 version adds a label palette, the Sidebar tab palette has updated the options for the saved view type.
Software Information: http://piggydb.net/
Download Address: Http://sourceforge.net/projects/piggydb/files/Piggydb/4.23/piggydb-standalone-4.23.zip/download