http://www.nonhumanrightsproject.org/ (Steven Wise's campaign group)
http://www.projetogap.org.br/en/ (GAP project in Brazil)
https://en.wikipedia.org/wiki/Great_ape_personhood
https://en.wikipedia.org/wiki/Great_Ape_Project
I thought there was also a great ape rights campaign called GRASP, but it looks like they lost their domain name (it's now registered by a Christian group with a nearly opposite view on the connection between species and legal personhood).
http://www.nonhumanrightsproject.org/ (Steven Wise's campaign group)
http://www.projetogap.org.br/en/ (GAP project in Brazil)
https://en.wikipedia.org/wiki/Great_ape_personhood
https://en.wikipedia.org/wiki/Great_Ape_Project
I thought there was also a great ape rights campaign called GRASP, but it looks like they lost their domain name (it's now registered by a Christian group with a nearly opposite view on the connection between species and legal personhood).