Invenio (formerly CDSware) is a suite of applications that provides the framework and tools for building and managing an autonomous digital library server. It complies with the Open Archives Initiative metadata harvesting protocol (OAI-PMH) and uses MARC 21 as its underlying bibliographic standard. Its flexibility and performance make it a comprehensive solution for the management of document repositories of moderate to large size.
OpenCards is flashcard learning software. The basic idea of OpenCards is to use PowerPoint presentations (*.ppt) as flashcard sets. Slide titles are considered questions and the slide contents their answers. Based on state-of-the-art memorization and scheduling algorithms, OpenCards will help you learn any set of flashcards.
xgrk provides the possibility to change keyboard mapping with alt-shift or meta-shift combinations or by clicking on the flag image. You will be able to write greek in X programs like netscape or xedit. Keycodes are auto-loaded on startup so it should work with all unices and keyboard layouts. Fonts are not included.