EndNote, DEVONthink, Mendeley, Citavi, Research Rabbit, BibDesk, TheBrain, Qiqqa, Paperwork, SciSpace, JabRef, Paperpile, Bookends, Litmaps, Consensus, Biohunter, SCRiBBR APA Generator, Docear, Researcher PRO, EasyBib, Scite Ai, MyInfo, PaperShip, PDF Stacks, MyBib, Bibliography.com, FoxTrot Professional Search, Peerlibrary, Reference Manager, BibGuru, WizNote, BibSonomy, PDF Search, Weava, PubChase, KBibTeX, Zenreader, Auratikum, BibMe, Bibtex Editor, DeepDyve, I, Librarian, Bibfilex, Biblioscape, RefWorks, Refeus, UbikReader, Paperly, ZoteroBib, bibus, SciPlore MindMapping, TextCite, ACS ChemWorx, Surfmark, OutWit Images, RefMe, OutWit Docs, Droideley, WebNotes, Surfulater, FingerPDF, ProCite, BibTeXSearch, Citationsy, Cite This! are some alternatives to Zotero.