Zotero: Free, easy-to-use tool to collect, organize, cite, and share research - https://news.ycombinator.com/item?id=29774097 - Jan 2022 (201 comments)

Zotero: Personal Research Assistant - https://news.ycombinator.com/item?id=22694891 - March 2020 (206 comments)

Zotero: An open-source tool to help collect, organize, cite, and share research - https://news.ycombinator.com/item?id=17606929 - July 2018 (163 comments)

GMU sued for Zotero - https://news.ycombinator.com/item?id=319975 - Sept 2008 (3 comments)