Based on our record, I Librarian seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I've seen I, Librarian (https://i-librarian.net/) but am not sure how good it is. Source: about 1 year ago
As far as in-browser note taking goes, the only thing I've found is https://i-librarian.net/ which supposedly permits pdf annotation in the browser. Source: about 2 years ago
I use I Librarian (https://i-librarian.net/) it works really well, self hosted and has user manager. I use it for tech publications so the look ups don't work so well, however, for academic papers and journals and things it should be amazing! Source: about 2 years ago
Papers by ReadCube - ReadCube Papers is a sumptuous reference manager helping out academic writers to get the most out when it comes to access and discovering more citations with multiple libraries or databases.
Pybliographer - Pybliographer is a tool that helps you manage your bibliographic databases in a user-friendly way.
BibBase - BibBase.org is an easy way to set up and maintain a scientific publications page.
Aigaion Reference Management System - Aigaion is a bibliography management system that seems to be the perfect tool for managing your bibliography and references.
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
EndNote - Accelerate Your Research. Save time, stay organized, collaborate with colleagues and get published with EndNote 20.