Bibus is a bibliographic database. It uses a MySQL or SQLite database to store references. It can directly insert references in OpenOffice.org and MS Word and generate the bibliographic index.
NetDraw is a program for drawing networks. It uses (or will use) several different algorithms for laying out nodes in 2-dimensional space (3D will come later). Netdraw reads UCINET system files, UCINET DL text files, and Pajek text files (.net, .clu and .
As with Firefox, you can add new features and extend OpenOffice.org's functionality by installing extensions. Here some of the most useful ones to try.