Kartograph is a simple and lightweight framework for building interactive map applications without Google Maps or any other mapping service. It was created with the needs of designers and data journalists in mind.
OpenStreetMap is a free editable map of the whole world. It is made by people like you. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth.
Argunet is the free, open-source, cross-platform suite for collaborative argument mapping. With Argunet you can reconstruct and visualise complex debates and argumentations. For teamwork, you can create your own project on the Argunet Server.
Concepts Maps stellen Begriffe und ihre Beziehungen zueinander graphisch dar. Eingesetzt werden können sie u.a. als Strukturierungshilfe bei der Erschließung neuer Wissensgebiete. Ein sehr interessantes Werkzeug zur Erstellung solcher "Begriffslandkarte