Reference managers
Open alternatives2
Zotero collects the articles, books and web pages you use for research, keeps your notes and PDFs together, and writes citations and bibliographies in Word or LibreOffice. It has a free plan with limited cloud storage.
Has 5 of 5
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does the whole job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.
JabRef keeps a library of the papers and books you cite, in the BibTeX format used by LaTeX writers, and helps you find, sort and cite them. It runs on your computer.
Has 3 of 5
How many people bookmarked its code on GitHub. It shows how popular it is, not how good it is or how well it replaces the app.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Its code changed within the last year, so someone is still looking after it.
Does part of the job.
Ordered by how fully it replaces the app, Verified, setup and, when there are enough, people's votes.