HuMo-genealogy is a free, open-source and multilingual server-side program that makes it very easy to publish your genealogical data on the internet as a dynamic and searchable family tree website.
There are 2 official HuMo-genealogy websites:
1) English/Dutch HuMo-genealogy website by Huub Mons
2) International HuMo-genealogy website by Yossi Beck
HuMo-genealogy download PDF manual