BARTOC knows about 144 terminology registries, including itself. 98 registries also provide access to full terminologies either via an API (terminology service) or by other means (terminology repository).*
Download full list of registries in JSKOS format.
* See also our poster Terminology Registries and Services presented at Research Data Alliance Deutschland Treffen and at SWIB 2016 https://doi.org/10.5281/zenodo.166717.