Having difficulties editing simple vocabularies in Protégé? This tool will help you edit linked data vocabularies created in a spreadsheet and convert them to SKOS.
This is a Ruby gem and should be installed via 'gem install spreadskos'. Check out skos2html for a gem that converts SKOS to a human readable HTML file. Both are used in SISKOS.
An example Excel template is available in the root directory. The template has two sheets. The first with some basic details about your vocabulary, and the second with the actual concepts.