- Dokuwiki – Tag Plugin
- Dokuwiki – Namspace shortener Plugin
- Linkliste zum planen und managen
- http://getontracks.org/ – Multiplatform: Web, Windows XP, Linux
- Sammlung an Gtd programmen: http://www.priacta.com/Articles/Comparison_of_GTD_Software.php
- Rainlendar: http://atunu.blogspot.com/2007/07/rainlendar-multiplatform-gtd-app-that.html
- Übersicht an GTD Programmen: http://www.makeuseof.com/tag/gtd-getting-things-done-roundup-time-to-organize/