There are various websites where you can make a wiki free of charge, such as pbwiki. The next interview took place at August 15, 2006 with Saskia Harmsen from IICD. Exchanging knowledge “We used a wiki during an international workshop in Zambia for trainers from Africa. Why did you use a pbwiki ? “A The tool: wiki A wiki is a website where users can easily add, delete or change the contents. For both editing and reading the website there is the option of making the wiki public or available to a specific group of people.