Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and then share the results of your research. Developed by George Mason University
License: Open Source
Zotero is a versatile reference manager with cloud syncing, strong web integration, and collaboration features, making it suitable for a broad audience. In contrast, BibDesk is tailored for Mac users focusing on LaTeX integration and offers a lightweight experience, but lacks some advanced features like cloud syncing and web browser integration.